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Dr Andrew Young

Dr Andrew Young

Associate Professor of Evolutionary Biology

 01326 254241

 Daphne du Maurier 3043

 

Daphne du Maurier Building, University of Exeter,  Penryn Campus, Penryn, Cornwall, TR10 9FE, UK

My research seeks to understand the evolution of social behaviour and its impact on life-histories, in particular patterns of ageing, using wild social vertebrates as model systems

My research group website can be found at www.animalsocieties.org

I am interested in the evolution of cooperation, conflict and dispersal in vertebrate societies and their implications for life-histories, particularly for patterns of senescence. I take an integrative approach, asking both evolutionary and mechanistic questions, given the potential for mechanistic insights to shed light on evolutionary constraints and the origins of variation. My work combines analyses of long-term life-history data with longitudinal and experimental studies of physiological mechanisms, such as endocrine and oxidative stress, and telomere dynamics. I am also interested in the evolution of mechanisms, particularly those that selection might not be expected to have favoured (e.g. the chronic stress response and the mechanisms of ageing). My work therefore spans the fields of behavioural, evolutionary and physiological ecology.

My research group work in all of these areas using a range of wild model systems, including white-browed sparrow weavers, Damaraland mole-rats, European badgers and banded mongooses. Do get in touch if you are interested in collaborating or joining the group.

My teaching portfolio reflects my research interests. In second-year Animal Ecophysiology we explore how adaptation has shaped physiological mechanisms and how key physiological processes may constrain and thereby explain evolutionary outcomes. In second-year Biology of Mammals I explore the origins, diversity and evolutionary consequences of mammalian sociality. And in our new third-year Costa Rica Fieldcourse, we explore the evolutionary origins and conservation of biodiversity while getting up close and personal with the spectacular natural history of the Neotropics.

I am a member of the Behaviour Theme and the Human Biological and Cultural Evolution Group

My photography site can be found here www.wildimages.org

Qualifications

2003 PhD Zoology, University of Cambridge
1997 BA (Hons), University of Cambridge

Career

2016-         Associate Professor of Evolutionary Biology, Exeter
2010-2016 BBSRC David Phillips Research Fellow, Exeter
2007-2010 NERC Blue Skies Research Fellow, Exeter
2004-2007 Magdalene College Research Fellow, Cambridge
2000-2003 PhD, Cambridge

Professional Associations:

* European Society for the Study of Evolution
* Association for the Study of Animal Behaviour
* British Society for Research on Ageing
* American Society of Naturalists
* British Ecological Society

* Fellow of the Higher Education Academy

Links

A white-browed sparrow weaver

A white-browed sparrow weaver

Research

Research interests

My research seeks to understand both the evolution and mechanistic underpinnings of vertebrate social behaviour using wild model systems

My full research group website can be found at www.animalsocieties.org

I work at the interface between behavioural ecology and endocrinology, investigating both the evolution and hormonal regulation of behaviour in wild social vertebrates. This integrative approach is important because advances in our understanding of mechanism can inform the study of evolution. My interests are broad and include reproductive conflict, cooperation, parenting, dispersal and the distribution of stress within society. My group conduct research in each of these areas using three principle model systems - all cooperative vertebrates living in the Kalahari desert: white-browed sparrow weavers, Damaraland mole-rats and meerkats.

Reproductive Conflict
Social animals are typically embroiled in reproductive power struggles. We are investigating the diverse tactics that animals use to maximise their fitness given their position within society. Current interests include:
* Alternative reproductive tactics & extra-group paternity
* Stress and the suppression of subordinate reproduction
* The evolution of reproductive restraint
* The hormonal regulation of territorial aggression

Cooperation and Parenting
Members of society often differ markedly in their contributions to cooperative activities. We are investigating the evolutionary and mechanistic causes of this variation using cooperative parenting as a model. Current interests include:
* The hormonal regulation of cooperative and parental care
* Maternal and early-life effects on cooperative physiology and behaviour
* Oxidative stress and the costs and benefits of cooperation
* Offspring competition in cooperative breeders


Stress in Society
The most potent causes and mitigators of stress in social species include our interactions with our peers. As chronic stress can be costly, we are interested in the tactics that individuals employ to impose stress upon others and mitigate stress themselves. Current interests include:
* Stress in social hierarchies: causes and mitigation
* The evolution of stress-related reproductive suppression
* Stress and disease transmission in society


Dispersal Tactics
Social animals often experience strong constraints on their dispersal to independent breeding positions. We are investigating the tactics that social species employ to facilitate dispersal and reproduction in the face of such constraints. Current interests include:
* The evolution and benefits of social dispersal
* The evolution and hormonal regulation of extra-territorial prospecting
* Maternal & early life effects on prospecting and dispersal

Research projects

I conduct research in each of the areas outlined above using three quite different model systems - all wild populations of cooperatively breeding vertebrates:

White-browed sparrow weavers
The white-browed sparrow weaver project was set up in 2007 with the support of a NERC fellowship. The project is based in Tswalu Kalahari Reserve in South Africa (www.tswalu.com) and follows the fates of 30+ cooperative groups of 2-10 birds. Current projects include investigating: the hormonal and developmental underpinnings of parental and cooperative care; the evolution and mechanistic underpinnings of territorial aggression and song in the tropics; and the role of oxidative stress in mediating the costs and benefits of cooperation. Collaborators include Jon Blount (Exeter), Ton Groothuis (Groningen) and Peter Sharp (Roslin Institute). Enquiries regarding collaborative research or opportunities to join the field team are welcome.

Damaraland mole-rats
The mole-rat project was set up in 2003, also in Tswalu, in collaboration with Nigel Bennett (Pretoria). The project monitored the fates of 40 focal groups, ranging in size from 2-25 animals, over the course of the subsequent three years. The resulting life-history, morphometric and endocrine data are allowing us to address a range of questions about dispersal tactics, fitness benefits of helping, physiological suppression among subordinates, and morphological specialisation, as well as genetic studies of reproductive skew, extra-group paternity and body patterning. The field site remains accessible for future projects and research enquiries are welcome.

Meerkats
The meerkat project is a long-running study set up in 1993 by Tim Clutton-Brock (Cambridge). The project is based at the Kuruman River Reserve in South Africa, and has monitored the fates of 5-15 groups of meerkats for the past 17 years, yielding detailed longitudinal behavioural and life-history data sets. My research (starting with my PhD and through collaborative projects since) combines this information with behavioural-endocrine studies to investigate the tactics that dominants and subordinates employ to maximise their fitness. My work has focused in particular on reproductive power struggles among females and prospecting and dispersal among males.

Research networks

Nigel Bennett - University of Pretoria, South Africa
Jon Blount - University of Exeter, UK
Mike Cant - University of Exeter, UK
Tim Clutton-Brock - University of Cambridge, UK
Ton Groothuis - Groningen, Netherlands
Steve Monfort - Conservation Research Center, Smithsonian Institution, USA
Peter Sharp - Roslin Institute, Edinburgh, UK

Research grants

  • 2011 Society for Endocrinology
    Early Career Grant
  • 2010 BBSRC
    BBSRC David Phillips Research Fellowship
  • 2010 University of Exeter Outward Mobility Fellowship
    The endocrinology of alternative reproductive tactics
  • 2009 Royal Society
    Royal Society Research Grant
  • 2007 NERC
    Blue Skies Research Fellowship
  • 2004 ASAB
    Research Grant
  • 2004 Magdalene College
    Research Fellowship
  • 2004 National Research Foundation
    Visiting Fellowship
  • 2003 Cambridge Philosophical Society
    Scholarship

Key publications | Publications by category | Publications by year

Key publications


Young AJ (2018). The role of telomeres in the mechanisms and evolution of life-history trade-offs and ageing. Philosophical Transactions B: Biological Sciences Full text.
Thompson FJ, Cant MA, Marshall HH, Vitikainen, Sanderson JL, Nichols HJ, Gilchrist JS, Bell MBV, Hodge SJ, Young AJ, et al (2017). Explaining negative kin discrimination in a cooperative mammal society. Proceedings of the National Academy of Sciences of the USA Full text.
Beirne C, Waring L, Mcdonald RA, Delahay R, Young AJ (2016). Age-related declines in immune response in a wild mammal are unrelated to immune cell telomere length. Proceedings of the Royal Society of London. Series B Full text.
Cram DL, Blount JD, Young AJ (2015). Oxidative status and social dominance in a wild cooperative breeder. Functional Ecology, 29(2), 229-238. Abstract.
Beirne C, Delahay R, Young AJ (2015). Sex differences in senescence: the role of intra-sexual competition in early adulthood. Proceedings of the Royal Society of London. Series B
Cram DL, Blount JD, Young AJ (2015). The oxidative costs of reproduction are group-size dependent in a wild cooperative breeder. Proceedings of the Royal Society of London. Series B Full text.

Publications by category


Journal articles

York JE, Radford AN, Groothuis TG, Young AJ (In Press). Dominant male song performance reflects current immune state in a cooperatively breeding songbird. Ecol Evol, 6(4), 1008-1015. Abstract.  Author URL.
Benton CH, Delahay RJ, Smith FAP, Robertson A, McDonald RA, Young AJ, Burke TA, Hodgson D (2018). Inbreeding intensifies sex- and age-dependent disease in a wild mammal. J Anim Ecol Abstract.  Author URL.
Young AJ (2018). The role of telomeres in the mechanisms and evolution of life-history trade-offs and ageing. Philosophical Transactions B: Biological Sciences Full text.
Thompson FJ, Cant MA, Marshall HH, Vitikainen, Sanderson JL, Nichols HJ, Gilchrist JS, Bell MBV, Hodge SJ, Young AJ, et al (2017). Explaining negative kin discrimination in a cooperative mammal society. Proceedings of the National Academy of Sciences of the USA Full text.
Thompson FJ, Marshall HH, Vitikainen EIK, Young AJ, Cant MA (2017). Individual and demographic consequences of mass eviction in cooperative banded mongooses. Animal Behaviour, 134, 103-112. Abstract.  Full text.
Houslay T, Vierbuchen M, Grimmer AJ, Young AJ, Wilson A (2017). Testing the stability of behavioural coping style across stress contexts in the Trinidadian guppy. Functional Ecology Full text.
Beirne C, Waring L, Mcdonald RA, Delahay R, Young AJ (2016). Age-related declines in immune response in a wild mammal are unrelated to immune cell telomere length. Proceedings of the Royal Society of London. Series B Full text.
York JE, Radford AN, de Vries B, Groothuis TG, Young AJ (2016). Dominance-related seasonal song production is unrelated to circulating testosterone in a subtropical songbird. General and Comparative Endocrinology, 233, 43-52. Abstract.  Full text.
Thornton A, McAuliffe K, Dall SRX, Fernandez-Duque E, Garber PA, Young AJ (2016). Fundamental Problems with the Cooperative Breeding Hypothesis. A reply to Burkart & Van Schaik. Journal of Zoology, 299(2), 84-88. Full text.
Thompson F, Marshall HH, Sanderson JL, Vitikainen EIK, Nichols HJ, Gilchrist J, Young AJ, Hodge SJ, Cant MA (2016). Reproductive competition triggers mass eviction in cooperative banded mongooses. Proceedings of the Royal Society of London: Biological Sciences Full text.
Walker L, York JE, Young AJ (2016). Sexually-selected sentinels? Evidence of a role for intra-sexual competition in sentinel behavior. Behavioral Ecology
Sanderson JL, Nichols H, Marshall HH, Vitikainen E, Thompson F, Walker S, Cant MA, Young AJ (2015). Elevated glucocorticoid concentrations during gestation predict reduced reproductive success in subordinate female banded mongooses. Biology Letters Full text.
Cram DL, Blount JD, York JE, Young AJ (2015). Immune response in a wild bird is predicted by oxidative status but does not cause oxidative stress. PLoS One Full text.
Cram DL, Blount JD, Young AJ (2015). Oxidative status and social dominance in a wild cooperative breeder. Functional Ecology, 29(2), 229-238. Abstract.
Beirne C, Delahay R, Young AJ (2015). Sex differences in senescence: the role of intra-sexual competition in early adulthood. Proceedings of the Royal Society of London. Series B
Sanderson JL, Stott I, Young AJ, Vitikainen E, Hodge SJ, Cant MA (2015). The origins of consistent individual differences in cooperation in wild banded mongooses. Animal Behaviour
Cram DL, Blount JD, Young AJ (2015). The oxidative costs of reproduction are group-size dependent in a wild cooperative breeder. Proceedings of the Royal Society of London. Series B Full text.
Young AJ, Jarvis JUM, Barnaville J, Bennett NC (2015). Workforce effects and the evolution of complex sociality in wild Damaraland mole-rat societies. The American Naturalist
Beirne C, Delahay R, Hares M, Young AJ (2014). Age-related declines and disease-associated variation in immune cell telomere length in a wild mammal. PLoS One Full text.
Sanderson JL, Young AJ, Hodge SJ, Kyabulima S, Walker S, Cant MA (2014). Hormonal mediation of a carry-over effect in a wild cooperative mammal. Functional Ecology
Harrison XA, York JE, Young AJ (2014). Population genetic structure and direct ‚Ä®observations reveal sex-reversed patterns of dispersal in a cooperative bird. Molecular Ecology Full text.
York JE, Young AJ, Radford AN (2014). Singing in the moonlight: dawn song performance of a diurnal bird varies with lunar phase. Biology Letters
Mares R, Bateman AW, English S, Clutton-Brock TH, Young AJ (2014). Timing of predispersal prospecting is influenced by environmental, social and state-dependent factors in meerkats. Animal Behaviour
Harrison XA, York JE, Cram DL, Hares MC, Young AJ (2013). Complete reproductive skew within white-browed sparrow weaver groups despite outbreeding opportunities for subordinates of both sexes. Behavioral Ecology and Sociobiology, 67(12), 1915-1929. Abstract.
Harrison XA, York JE, Cram DL, Young AJ (2013). Extra-group mating increases inbreeding risk in a cooperatively breeding bird. Molecular Ecology, 22(22), 5700-5715. Abstract.
Young AJ, Bennett NC (2013). Intra-sexual selection in cooperative mammals and birds: why aren't females bigger and better armed?. Philosophical Transactions of the Royal Society of London: Biological Sciences
Lutermann H, Young AJ, Bennett NC (2013). Reproductive status and testosterone among females in cooperative mole-rat societies. General and Comparative Endocrinology
Cant MA, Young AJ (2013). Resolving social conflict among females without overt aggression. Philosophical Transactions of the Royal Society of London: Biological Sciences
Mares R, Young AJ, Clutton-Brock TH (2012). Individual contributions to territory defence in a cooperative breeder: weighing up the benefits and costs. Proceedings of the Royal Society of London: Biological Sciences
Abbot P, Abe J, Alcock J, Alizon S, Alpedrinha JAC, Andersson M, Andre J-B, van Baalen M, Balloux F, Balshine S, et al (2011). Inclusive fitness theory and eusociality. Nature, 471(7339), E1-E4. Abstract.  Author URL.
Mares R, Young AJ, Levesque DL, Harrison N, Clutton-Brock TH (2011). Responses to intruder scents in the cooperatively breeding meerkat: Sex and social status differences and temporal variation. Behavioral Ecology, 22(3), 594-600. Abstract.
Clutton-Brock TH, Hodge SJ, Flower TP, Spong G, Young AJ (2010). Adaptive suppression of subordinate reproduction in cooperative mammals. American Naturalist, 176, 664-673.
Young AJ, Bennett NC (2010). Morphological divergence of breeders and helpers in Damaraland mole-rat societies. Evolution, 64, 3190-3197.
Young AJ, Oosthuizen MK, Lutermann H, Bennett NC (2010). Physiological suppression eases in Damaraland mole-rat societies when ecological constraints on dispersal are relaxed. Horm Behav, 57, 177-183. Abstract.
Young AJ, Monfort SL (2009). Stress and the costs of extra-territorial movement in a social carnivore. Biology Letters
Spong GF, Hodge SJ, Young AJ, Clutton-Brock TH (2008). Factors affecting the reproductive success of dominant male meerkats. Mol Ecol, 17(9), 2287-2299. Abstract.  Author URL.
Young AJ, Monfort, S.L. Clutton-Brock, T.H. (2008). The causes of physiological suppression among female meerkats: a role for subordinate restraint due to the threat of infanticide?. Hormones and Behaviour, 53
Russell AF, Young AJ, Spong G, Jordan NR, Clutton-Brock TH (2007). Helpers increase the reproductive potential of offspring in cooperative meerkats. Proceedings of the Royal Society B: Biological Sciences, 274
Young AJ, Spong G, Clutton-Brock TH (2007). Subordinate male meerkats prospect for extra-group paternity: alternative reproductive tactics in a cooperative animal. Proceedings of the Royal Society B Biological Sciences, 274(1618), 1603-1609.
Carlson AA, Manser, M.B. Young, A.J. Russell, A.F. Jordan N, McNeilly AS, Clutton-Brock TH (2006). Cortisol levels are positively associated with pup-feeding rates in male meerkats. Proceedings of the Royal Society B: Biological Sciences, 273
Carlson AA, Russell, A.F. Young, A.J. Jordan, N. McNeilly AS, Clutton-Brock TH (2006). Elevated prolactin levels immediately precede decisions to babysit by male meerkat helpers. Hormones and Behaviour, 50
Young AJ, Clutton-Brock TH (2006). Infanticide by subordinates influences reproductive sharing in cooperatively breeding meerkats. Biology Letters, 2(3), 385-387.
Young AJ, Carlson AA, Russell AF, Bennett NC, Monfort SL, Clutton-Brock TH (2006). Stress and the suppression of subordinate reproduction in cooperatively breeding meerkats. Proceedings of the National Academy of Sciences, 103(32), 12005-12010.
Stephens PA, Russell AF, Young AJ, Sutherland WJ, Clutton-Brock TH (2005). Dispersal, eviction, and conflict in meerkats (Suricata suricatta): an evolutionarily stable strategy model. American Naturalist, 165(1), 120-135. Abstract.
Young AJ, Carlson AA, Clutton-Brock TH (2005). Trade-offs between extra-territorial prospecting and helping in a cooperative mammal. Animal Behaviour, 70(4), 829-837.
Carlson AA, Young AJ, Russell AF, Bennett NC, McNeilly AS, Clutton-Brock T (2004). Hormonal correlates of dominance in meerkats (Suricata suricatta). Horm Behav, 46(2), 141-150. Abstract.  Author URL.
Carlson AA, Nicol, L. Young, A.J. Parlow, A.F. McNeilly AS (2003). Radioimmunoassay of prolactin for the meerkat (Suricata suricatta), a cooperatively breeding carnivore. General & Comparative Endocrinology, 130
Clutton-Brock TH, Russell, A.F. Sharpe, L.L. Young, A.J. Balmforth Z, McIlrath GM (2002). Evolution and development of sex differences in cooperative behaviour in meerkats. Science, 297(5579).

Chapters

Young AJ (2009). The Causes of Physiological Suppression in Vertebrate Societies: a Synthesis. In Hager R, Jones CB (Eds.) Reproductive Skew in Vertebrates, Cambridge University Press, 397-436.

Publications by year


In Press

York JE, Radford AN, Groothuis TG, Young AJ (In Press). Dominant male song performance reflects current immune state in a cooperatively breeding songbird. Ecol Evol, 6(4), 1008-1015. Abstract.  Author URL.

2018

Benton CH, Delahay RJ, Smith FAP, Robertson A, McDonald RA, Young AJ, Burke TA, Hodgson D (2018). Inbreeding intensifies sex- and age-dependent disease in a wild mammal. J Anim Ecol Abstract.  Author URL.
Young AJ (2018). The role of telomeres in the mechanisms and evolution of life-history trade-offs and ageing. Philosophical Transactions B: Biological Sciences Full text.

2017

Thompson FJ, Cant MA, Marshall HH, Vitikainen, Sanderson JL, Nichols HJ, Gilchrist JS, Bell MBV, Hodge SJ, Young AJ, et al (2017). Explaining negative kin discrimination in a cooperative mammal society. Proceedings of the National Academy of Sciences of the USA Full text.
Thompson FJ, Marshall HH, Vitikainen EIK, Young AJ, Cant MA (2017). Individual and demographic consequences of mass eviction in cooperative banded mongooses. Animal Behaviour, 134, 103-112. Abstract.  Full text.
Houslay T, Vierbuchen M, Grimmer AJ, Young AJ, Wilson A (2017). Testing the stability of behavioural coping style across stress contexts in the Trinidadian guppy. Functional Ecology Full text.

2016

Beirne C, Waring L, Mcdonald RA, Delahay R, Young AJ (2016). Age-related declines in immune response in a wild mammal are unrelated to immune cell telomere length. Proceedings of the Royal Society of London. Series B Full text.
York JE, Radford AN, de Vries B, Groothuis TG, Young AJ (2016). Dominance-related seasonal song production is unrelated to circulating testosterone in a subtropical songbird. General and Comparative Endocrinology, 233, 43-52. Abstract.  Full text.
Thornton A, McAuliffe K, Dall SRX, Fernandez-Duque E, Garber PA, Young AJ (2016). Fundamental Problems with the Cooperative Breeding Hypothesis. A reply to Burkart & Van Schaik. Journal of Zoology, 299(2), 84-88. Full text.
Thompson F, Marshall HH, Sanderson JL, Vitikainen EIK, Nichols HJ, Gilchrist J, Young AJ, Hodge SJ, Cant MA (2016). Reproductive competition triggers mass eviction in cooperative banded mongooses. Proceedings of the Royal Society of London: Biological Sciences Full text.
Walker L, York JE, Young AJ (2016). Sexually-selected sentinels? Evidence of a role for intra-sexual competition in sentinel behavior. Behavioral Ecology

2015

Sanderson JL, Nichols H, Marshall HH, Vitikainen E, Thompson F, Walker S, Cant MA, Young AJ (2015). Elevated glucocorticoid concentrations during gestation predict reduced reproductive success in subordinate female banded mongooses. Biology Letters Full text.
Cram DL, Blount JD, York JE, Young AJ (2015). Immune response in a wild bird is predicted by oxidative status but does not cause oxidative stress. PLoS One Full text.
Cram DL, Blount JD, Young AJ (2015). Oxidative status and social dominance in a wild cooperative breeder. Functional Ecology, 29(2), 229-238. Abstract.
Beirne C, Delahay R, Young AJ (2015). Sex differences in senescence: the role of intra-sexual competition in early adulthood. Proceedings of the Royal Society of London. Series B
Sanderson JL, Stott I, Young AJ, Vitikainen E, Hodge SJ, Cant MA (2015). The origins of consistent individual differences in cooperation in wild banded mongooses. Animal Behaviour
Cram DL, Blount JD, Young AJ (2015). The oxidative costs of reproduction are group-size dependent in a wild cooperative breeder. Proceedings of the Royal Society of London. Series B Full text.
Young AJ, Jarvis JUM, Barnaville J, Bennett NC (2015). Workforce effects and the evolution of complex sociality in wild Damaraland mole-rat societies. The American Naturalist

2014

Beirne C, Delahay R, Hares M, Young AJ (2014). Age-related declines and disease-associated variation in immune cell telomere length in a wild mammal. PLoS One Full text.
Sanderson JL, Young AJ, Hodge SJ, Kyabulima S, Walker S, Cant MA (2014). Hormonal mediation of a carry-over effect in a wild cooperative mammal. Functional Ecology
Harrison XA, York JE, Young AJ (2014). Population genetic structure and direct ‚Ä®observations reveal sex-reversed patterns of dispersal in a cooperative bird. Molecular Ecology Full text.
York JE, Young AJ, Radford AN (2014). Singing in the moonlight: dawn song performance of a diurnal bird varies with lunar phase. Biology Letters
Mares R, Bateman AW, English S, Clutton-Brock TH, Young AJ (2014). Timing of predispersal prospecting is influenced by environmental, social and state-dependent factors in meerkats. Animal Behaviour

2013

Harrison XA, York JE, Cram DL, Hares MC, Young AJ (2013). Complete reproductive skew within white-browed sparrow weaver groups despite outbreeding opportunities for subordinates of both sexes. Behavioral Ecology and Sociobiology, 67(12), 1915-1929. Abstract.
Harrison XA, York JE, Cram DL, Young AJ (2013). Extra-group mating increases inbreeding risk in a cooperatively breeding bird. Molecular Ecology, 22(22), 5700-5715. Abstract.
Young AJ, Bennett NC (2013). Intra-sexual selection in cooperative mammals and birds: why aren't females bigger and better armed?. Philosophical Transactions of the Royal Society of London: Biological Sciences
Lutermann H, Young AJ, Bennett NC (2013). Reproductive status and testosterone among females in cooperative mole-rat societies. General and Comparative Endocrinology
Cant MA, Young AJ (2013). Resolving social conflict among females without overt aggression. Philosophical Transactions of the Royal Society of London: Biological Sciences

2012

Mares R, Young AJ, Clutton-Brock TH (2012). Individual contributions to territory defence in a cooperative breeder: weighing up the benefits and costs. Proceedings of the Royal Society of London: Biological Sciences

2011

Abbot P, Abe J, Alcock J, Alizon S, Alpedrinha JAC, Andersson M, Andre J-B, van Baalen M, Balloux F, Balshine S, et al (2011). Inclusive fitness theory and eusociality. Nature, 471(7339), E1-E4. Abstract.  Author URL.
Mares R, Young AJ, Levesque DL, Harrison N, Clutton-Brock TH (2011). Responses to intruder scents in the cooperatively breeding meerkat: Sex and social status differences and temporal variation. Behavioral Ecology, 22(3), 594-600. Abstract.

2010

Clutton-Brock TH, Hodge SJ, Flower TP, Spong G, Young AJ (2010). Adaptive suppression of subordinate reproduction in cooperative mammals. American Naturalist, 176, 664-673.
Young AJ, Bennett NC (2010). Morphological divergence of breeders and helpers in Damaraland mole-rat societies. Evolution, 64, 3190-3197.
Young AJ, Oosthuizen MK, Lutermann H, Bennett NC (2010). Physiological suppression eases in Damaraland mole-rat societies when ecological constraints on dispersal are relaxed. Horm Behav, 57, 177-183. Abstract.

2009

Young AJ, Monfort SL (2009). Stress and the costs of extra-territorial movement in a social carnivore. Biology Letters
Young AJ (2009). The Causes of Physiological Suppression in Vertebrate Societies: a Synthesis. In Hager R, Jones CB (Eds.) Reproductive Skew in Vertebrates, Cambridge University Press, 397-436.

2008

Spong GF, Hodge SJ, Young AJ, Clutton-Brock TH (2008). Factors affecting the reproductive success of dominant male meerkats. Mol Ecol, 17(9), 2287-2299. Abstract.  Author URL.
Young AJ, Monfort, S.L. Clutton-Brock, T.H. (2008). The causes of physiological suppression among female meerkats: a role for subordinate restraint due to the threat of infanticide?. Hormones and Behaviour, 53

2007

Russell AF, Young AJ, Spong G, Jordan NR, Clutton-Brock TH (2007). Helpers increase the reproductive potential of offspring in cooperative meerkats. Proceedings of the Royal Society B: Biological Sciences, 274
Young AJ, Spong G, Clutton-Brock TH (2007). Subordinate male meerkats prospect for extra-group paternity: alternative reproductive tactics in a cooperative animal. Proceedings of the Royal Society B Biological Sciences, 274(1618), 1603-1609.

2006

Carlson AA, Manser, M.B. Young, A.J. Russell, A.F. Jordan N, McNeilly AS, Clutton-Brock TH (2006). Cortisol levels are positively associated with pup-feeding rates in male meerkats. Proceedings of the Royal Society B: Biological Sciences, 273
Carlson AA, Russell, A.F. Young, A.J. Jordan, N. McNeilly AS, Clutton-Brock TH (2006). Elevated prolactin levels immediately precede decisions to babysit by male meerkat helpers. Hormones and Behaviour, 50
Young AJ, Clutton-Brock TH (2006). Infanticide by subordinates influences reproductive sharing in cooperatively breeding meerkats. Biology Letters, 2(3), 385-387.
Young AJ, Carlson AA, Russell AF, Bennett NC, Monfort SL, Clutton-Brock TH (2006). Stress and the suppression of subordinate reproduction in cooperatively breeding meerkats. Proceedings of the National Academy of Sciences, 103(32), 12005-12010.

2005

Stephens PA, Russell AF, Young AJ, Sutherland WJ, Clutton-Brock TH (2005). Dispersal, eviction, and conflict in meerkats (Suricata suricatta): an evolutionarily stable strategy model. American Naturalist, 165(1), 120-135. Abstract.
Young AJ, Carlson AA, Clutton-Brock TH (2005). Trade-offs between extra-territorial prospecting and helping in a cooperative mammal. Animal Behaviour, 70(4), 829-837.

2004

Carlson AA, Young AJ, Russell AF, Bennett NC, McNeilly AS, Clutton-Brock T (2004). Hormonal correlates of dominance in meerkats (Suricata suricatta). Horm Behav, 46(2), 141-150. Abstract.  Author URL.

2003

Carlson AA, Nicol, L. Young, A.J. Parlow, A.F. McNeilly AS (2003). Radioimmunoassay of prolactin for the meerkat (Suricata suricatta), a cooperatively breeding carnivore. General & Comparative Endocrinology, 130

2002

Clutton-Brock TH, Russell, A.F. Sharpe, L.L. Young, A.J. Balmforth Z, McIlrath GM (2002). Evolution and development of sex differences in cooperative behaviour in meerkats. Science, 297(5579).

andrew_young Details from cache as at 2018-09-19 00:35:12

Refresh publications

Committee/panel activities

Research Council Responsibilities:
BBSRC Future Leader Fellowship (FLF) mentoring 2015-2018

Examination of PhDs:
F.J. De Haas van Dorsser, University of Cambridge, UK
J. Rabineau, University of Exeter, UK
H.J. Nichols, University of Cambridge, UK
N. Reed, University of Exeter, UK
J. Mangel, University of Exeter, UK
L. Grinsted, Aarhus Univeristy, Denmark
K.L. Edwards, University of Liverpool, UK
M. Paquet, CEFE CNRS Montpellier, France

Co-supervision of external PhDs:
Rafael Mares, University of Cambridge, UK
Jenny York, University of Bristol, UK

Adviser for external PhDs:
Emily Best, University of Queensland, Australia

Examination of Masters by Research:
A. Sibun, University of Bristol, UK
H. Williams, University of Exeter, UK
C. Christensen, University of Bristol, UK

Scientific Committees:
International Society for Behavioural Ecology 2016
International Mammological Congress 2013


Editorial responsibilities

Refereeing for the following journals: Aging Cell, American Naturalist, Animal Behaviour, Behavioral Ecology, Behavioral Ecology & Sociobiology, Biology Letters, Conservation Physiology, Evolution, Evolutionary Psychology, Hormones & Behavior, Journal of Animal Ecology, Journal of Biodiversity Management & Forestry, Journal of Evolutionary Biology, Journal of Zoology, Journal of Mammalogy, Philosophical Transactions of the Royal Society, Physiology & Behavior, Proceedings of the National Academy of Science, Proceedings of the Royal Society, Trends in Ecology and Evolution.

Refereeing for book publishers: Cambridge University Press

Reviewing research grants: Leverhulme Trust; Natural Environment Research Council UK; National Research Foundation South Africa


Invited lectures

I have given invited seminars at 25 research institutions in the UK and overseas

Invited Keynotes & Public Engagement Lectures
2015 Ethological Society, Hamburg 'Sex differences in cooperation and ageing in wild social vertebrates'
2011 Zoological Society of London Communicating Science Series:
'Why be Nice? Understanding cooperative behaviour in humans & other animals'
2010 ASAB Easter Meeting 'From Hormones to Social Behaviour'
2009 Exeter 'Cooperation and Conflict in Wild Animal Societies'
2009 Social Interactions Conference in Neuchatel, Switzerland 'The Endocrinology of Social Behaviour'
2007 Biodemography of Ageing, Longevity and Sociality Workshop, Azores 'Ageing and Longevity in Cooperative Vertebrate Societies'
2006 ASAB Easter Meeting 'Non-invasive Endocrine Monitoring & its Application in Behavioural Research'
2004 Cambridge 'Meerkats, Mole-rats and Men: Cooperation in the Kalahari'
2002 Chicago Zoological Society 'Cooperation and Conflict in Meerkat Societies'


Media Coverage

My research has attracted media coverage in 17 countries: National Geographic magazine, Scientific American, Discovery Channel, Animal Planet, The Times, The Daily Telegraph, The New York Times, Nature, Science, Science News, Science Illustrated, CBS Radio (Canada), BBC Radio, I Fucking Love Science, Mail on Sunday, Quo, Der Spiegel, Die Welt, Die Press, Süddeutsche Zeitung and others.

My research photography has been published in: Nature, Science, BBC Wildlife, TREE, Natural History, The Daily Telegraph, Africa Geographic, Biology Letters, Proceedings of the Royal Society, Philosophical Transactions of the Royal Society, Ethology, Hormones & Behavior, BBC Knowledge, Science Illustrated, Science News, Quo, World Birdwatch and in books by Orion and Cambridge University Press

I have provided scientific consultation for the BBC Natural History Unit, Oxford Scientific Films and Tigress Productions

Find out more as.exeter.ac.uk/aspire

My teaching portfolio reflects my research interests...

In second-year Animal Ecophysiology (BIO2427) we explore the interactions between evolution and mechanisms; both how adaptation has shaped physiological mechanisms and how key physiological processes may constrain and thereby explain evolutionary outcomes.

In second-year Biology of Mammals (BIO2431) I explore the origins, diversity and evolutionary consequences of mammalian sociality.

And in our new third-year Costa Rica Fieldcourse (BIO3414) we explore the evolutionary origins, assessment and conservation of biodiversity while getting up close and personal with the spectacular natural history of the Neotropics.

I am a Fellow of the Higher Education Academy

Damaraland mole-rats

Damaraland mole-rats

Postdoctoral researchers

  • Chris Beirne (BBSRC Post-doctoral Research Associate) Mechanisms of senescence in wild social vertebrates

Postgraduate researchers

  • Antony Brown (PhD 2017-21, Exeter) Cooperation and parental age effects in wild social vertebrates
  • Faye Thompson (PhD 2013-17, Exeter, with Mike Cant) Dispersal, inter-group conflict and population dynamics in banded mongooses
  • Lindsay Walker (PhD 2012-16, Exeter, with Nick Royle) Early life effects on parental and cooperative care in sparrow weaver societies
  • Melanie Weedon (PhD 2017-21, Exeter) The evolution and mechanisms of ageing in wild European badgers
  • Alice Williams (PhD 2014-2018, Exeter with Tom Currie) The evolution of sociopolitical complexity in humans

Alumni

  • Chris Beirne (PhD 2011-14, Exeter, with Dez Delahay of FERA)The mechanisms of senescence in wild European badgers
  • Dominic Cram (PhD 2013) Load-lightening, oxidative stress and the evolution of avian cooperation
  • Xavier Harrison (BBSRC Post-doctoral Research Associate) Patterns of parentage in sparrow weaver societies: cause and implications for mate choice, dispersal and cooperation
  • Rafael Mares (PhD 2012) Extra-territorial prospecting and territory defence in cooperatively breeding meerkats
  • Jenni Sanderson (PhD 2013) The regulation of cooperation and conflict in banded mongoose societies
  • Faye Thompson (PhD 2017, Exeter, with Mike Cant) Dispersal, inter-group conflict and population dynamics in banded mongooses
  • Lindsay Walker (PhD 2012-16, Exeter, with Nick Royle) Early life effects on parental and cooperative care in sparrow weaver societies
  • Emma Wood (PhD 2017, Exeter) Causes and fitness consequences of telomere dynamics in a wild social bird
  • Jenny York (PhD 2012) The regulation and function of dawn song in sparrow-weaver societies

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