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Professor David Bryant

Professor of Conservation Biology

01326 370723

Daphne du Maurier -

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

Overview

Qualifications

1968 BSc ARCS Imperial College, London
1972 PhD DIC Imperial College
1999 FRSE

Research

Research interests

Animal Energetics Understanding variation in the behaviour, ecology and life histories of birds and mammals through measurement and manipulation of free-living energy costs and behaviour.

Conservation Biology Application of novel approaches to conservation of birds and mammals in the wild: UK, New Zealand and West Africa studies.

Research projects

Selected current projects of research group and collaborators

Alternative life-histories in male soay sheep (NERC)

Energetics of egg laying in Great Tits (NERC)

Benefits of managed re-alignment: the Nigg Bay study (RSPB Scotland, Amy Crowther)

Responses of insect food supplies to removal of alien mammals in New Zealand (DoC, David Butler)

Energetics of North Atlantic seabirds

Conservation management of Lapwings on Hebrides (RSPB)

Novel methods of diet assessment in meadow pipits (MLURI, Leigh Stephen)

Corn Bunting ecology in Western Isles, Scotland (RSPB Scotland, Rob MacLean)

Impact of major engineering works on wading birds of the Forth Estuary (SE, to be appointed, see above)

Applications of energetics approaches to conservation of endangered species in New Zealand (DoC, VUW, Murray Williams)

Mandrill ecology and behaviour in Gabon (NERC, Elizabeth White)

Life-history variation and energy use by South African birds (Rita Covas)

Publications

Key publications | Publications by category | Publications by year

Publications by category

Journal articles

Humphreys EM, Wanless S, Bryant DM (2007). Elevated metabolic costs while resting on water in a surface feeder: the Black-legged Kittiwake Rissa tridactyla. IBIS, 149(1), 106-111. Author URL.

Ward S, Bryant DM (2006). Barn swallows Hirundo rustica form eggs mainly from current food intake. JOURNAL OF AVIAN BIOLOGY, 37(2), 179-189. Author URL.

Tompkins DM, Mitchell RA, Bryant DM (2006). Hybridization increases measures of innate and cell-mediated immunity in an endangered bird species. JOURNAL OF ANIMAL ECOLOGY, 75(2), 559-564. Author URL.

Mitchell, R.A. Bryant, D.M. (2006). Hybridization increases resilience to novel disease challenges. Journal of Animal Ecology

Humphreys EM, Wanless S, Bryant DM (2006). Stage-dependent foraging in breeding black-legged kittiwakes Rissa tridactyla: distinguishing behavioural responses to intrinsic and extrinsic factors. JOURNAL OF AVIAN BIOLOGY, 37(5), 436-446. Author URL.

Bryant, D.M. (2005). Effects of temperature variability on egg mass and clutch size in Great tits. Condor, 107(3), 710-714.

Bryant, D.M. (2005). Night-time behaviour of egg laying tits. The International Journal of Avian Science, 147(2), 342-345.

Bryant DM, MacCleod MG, Pendlebury CJ (2004). Variation in temperature increases the cost of living in birds. Journal of Experimental Biology, 207(12), 2065-2070.

Bryant, M.J. Williams, D.M. (2003). Radio-telemetry increases free-living energy costs in the endangered Takahe Porphyrio mantelli. Biological Conservation, 114(1), 35-38.

Bryant, D.M. (2003). Responses to experimental brood parasitism in Sand Martins, Riparia riparia. The International Journal of Avian Science, 145(1), 156-159.

Bryant, D.M. (2003). Zebra finches, Taeniopygia guttata, with elongated tails delay taking flight during group take-offs. Behavioral Ecology and Sociobiology, 55(2), 122-128.

Bryant, D.M. (2002). A trade-off between clutch size and incubation efficiency in the Barn Swallow Hirundo rustica. Functional Ecology, 16(6), 782-791.

Bryant DM, Nudds RL (2002). Consequences of load carrying by birds during short flights are found to be behavioral and not energetic. American Journal of Physiology Regulatory, Integrative and Comparative Physiology, 283(1), R249-R256.

Bryant, D.M. Cole, L. (2002). Linking agricultural practice to insect and bird populations: a historical study over three decades. Journal of Applied Ecology, 39(4), 673-687.

Bryant, D.M. (2002). Proceedings of the Royal Society B 270, 'State-dependent behaviour in breeding barn swallows (Hirundo rustica): consequences for reproductive effort'. Proceedings of the Royal Society B, 269(1489), 403-410.

Bryant DM, Spencer KA (2002). State-dependent behaviour in breeding barn swallows (Hirundo rustica): consequences for reproductive effort . Proceedings of the Royal Society B Biological Sciences, 269(1489), 403-410.

Ward, D. Bryant, D.M. (2002). Variable energetic responses to clutch size manipulations in white-throated dippers Cinclus cinclus. Journal of Avian Biology, 33(4), 371-379.

Bryant, D.M. (2001). Exercise training lowers the resting metabolic rate of Zebra finches, Taeniopygia guttata. Functional Ecology, 15(4), 458-464.

Bryant DM, Buchanan KL, Evans MR, Goldsmith AR (2001). Testosterone influences basal metabolic rate in male house sparrows: a new cost of dominance signalling?. Proceedings of the Royal Society B Biological Sciences, 268(1474), 1337-1344.

Stevenson IR, Bryant DM (2000). Avian phenology - Climate change and constraints on breeding. NATURE, 406(6794), 366-367. Author URL.

Stevenson IR, Bryant DM (2000). Climate change and constraints on breeding. Nature, 406(6794), 366-367. Author URL.

Godfrey JD, Bryant DM (2000). State-dependent behaviour and energy expenditure: an experimental study of European robins on winter territories. JOURNAL OF ANIMAL ECOLOGY, 69(2), 301-313. Author URL.

Nudds RL, Bryant DM (2000). The energetic cost of short flights in birds. J Exp Biol, 203(Pt 10), 1561-1572. Abstract. Author URL.

Bryan SM, Bryant DM (1999). Heating nest-boxes reveals an energetic constraint on incubation behaviour in great tits, Parus major. PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 266(1415), 157-162. Author URL.

Wernham CV, Bryant DM (1998). An experimental study of reduced parental effort and future reproductive success in the puffin, Fratercula arctica. JOURNAL OF ANIMAL ECOLOGY, 67(1), 25-40. Author URL.

Alves MAS, Bryant DM (1998). Brood parasitism in the sand martin, Riparia riparia: evidence for two parasitic strategies in a colonial passerine. Anim Behav, 56(6), 1323-1331. Abstract. Author URL.

Logie JW, Bryant DM, Howell DL, Vickery JA (1996). Biological significance of UK critical load exceedance estimates for flowing waters: Assessments of dipper Cinclus cinclus populations in Scotland. JOURNAL OF APPLIED ECOLOGY, 33(5), 1065-1076. Author URL.

Bryant DM, Newton AV (1996). Dominance and survival of dippers Cinclus cinclus. BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY, 38(3), 173-181. Author URL.

Furness RW, Bryant DM (1996). Effect of wind on field metabolic rates of breeding Northern Fulmars. ECOLOGY, 77(4), 1181-1188. Author URL.

Brown CR, Bryant DM (1996). Energy expenditure during molt in dippers (Cinclus cinclus): No evidence of elevated costs. PHYSIOLOGICAL ZOOLOGY, 69(5), 1036-1056. Author URL.

BRYANT DM, FURNESS RW (1995). BASAL METABOLIC RATES OF NORTH-ATLANTIC SEABIRDS. IBIS, 137(2), 219-226. Author URL.

RILEY HT, BRYANT DM, CARTER RE, PARKIN DT (1995). EXTRA-PAIR FERTILIZATIONS AND PATERNITY DEFENSE IN-HOUSE MARTINS, DELICHON URBICA. ANIMAL BEHAVIOUR, 49(2), 495-509. Author URL.

BRYANT DM, JONES G (1995). MORPHOLOGICAL-CHANGES IN a POPULATION OF SAND MARTINS RIPARIN RIPARIA ASSOCIATED WITH FLUCTUATIONS IN POPULATION-SIZE. BIRD STUDY, 42, 57-65. Author URL.

BRYANT DM, NEWTON AV (1994). METABOLIC COSTS OF DOMINANCE IN DIPPERS, CINCLUS-CINCLUS. ANIMAL BEHAVIOUR, 48(2), 447-455. Author URL.

TATNER P, BRYANT DM (1993). INTERSPECIFIC VARIATION IN DAILY ENERGY-EXPENDITURE DURING AVIAN INCUBATION. JOURNAL OF ZOOLOGY, 231, 215-232. Author URL.

SPEAKMAN JR, BRYANT DM (1993). THE SEARCHING SPEEDS OF FORAGING SHOREBIRDS - REDSHANK (TRINGA-TOTANUS) AND OYSTERCATCHER (HAEMATOPUS-OSTRALEGUS). AMERICAN NATURALIST, 142(2), 296-319. Author URL.

MCLUSKY DS, BRYANT DM, ELLIOTT M (1992). THE IMPACT OF LAND-CLAIM ON MACROBENTHOS, FISH AND SHOREBIRDS ON THE FORTH ESTUARY, EASTERN SCOTLAND. AQUATIC CONSERVATION-MARINE AND FRESHWATER ECOSYSTEMS, 2(3), 211-222. Author URL.

BRYANT DM, TATNER P (1991). INTRASPECIES VARIATION IN AVIAN ENERGY-EXPENDITURE - CORRELATES AND CONSTRAINTS. IBIS, 133(3), 236-245. Author URL.

BRYANT DM, TATNER P (1990). HATCHING ASYNCHRONY, SIBLING COMPETITION AND SIBLICIDE IN NESTLING BIRDS - STUDIES OF SWIFTLETS AND BEE-EATERS. ANIMAL BEHAVIOUR, 39, 657-671. Author URL.

BRYANT DM, BRYANT VMT (1988). ASSIMILATION EFFICIENCY AND GROWTH OF NESTLING INSECTIVORES. IBIS, 130(2), 268-274. Author URL.

BRYANT DM, TATNER P (1988). ENERGETICS OF THE ANNUAL CYCLE OF DIPPERS CINCLUS-CINCLUS. IBIS, 130(1), 17-38. Author URL.

BRYANT DM (1987). WADING BIRDS AND WILDFOWL OF THE ESTUARY AND FIRTH OF FORTH, SCOTLAND. PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION B-BIOLOGICAL SCIENCES, 93, 509-520. Author URL.

TATNER P, BRYANT DM (1986). FLIGHT COST OF a SMALL PASSERINE MEASURED USING DOUBLY LABELED WATER - IMPLICATIONS FOR ENERGETICS STUDIES. AUK, 103(1), 169-180. Author URL.

BRYANT DM, HAILS CJ, PRYSJONES R (1985). ENERGY-EXPENDITURE BY FREE-LIVING DIPPERS (CINCLUS-CINCLUS) IN WINTER. CONDOR, 87(2), 177-186. Author URL.

WESTERTERP KR, BRYANT DM (1984). ENERGETICS OF FREE EXISTENCE IN SWALLOWS AND MARTINS (HIRUNDINIDAE) DURING BREEDING - a COMPARATIVE-STUDY USING DOUBLY LABELED WATER. OECOLOGIA, 62(3), 376-381. Author URL.

BRYANT DM (1984). FORAGING ENERGETICS OF SWALLOWS AND OTHER BIRDS. IBIS, 126(3), 456-456. Author URL.

BRYANT DM, HAILS CJ, TATNER P (1984). REPRODUCTIVE ENERGETICS OF 2 TROPICAL BIRD SPECIES. AUK, 101(1), 25-37. Author URL.

BRYANT DM, HAILS CJ (1983). ENERGETICS AND GROWTH-PATTERNS OF 3 TROPICAL BIRD SPECIES. AUK, 100(2), 425-439. Author URL.

BRYANT DM (1983). HEAT-STRESS IN TROPICAL BIRDS - BEHAVIORAL THERMOREGULATION DURING FLIGHT. IBIS, 125(3), 313-323. Author URL.

BRYANT DM (1983). LEG-EXPOSURE BY BEE-EATERS AND OTHER SPECIES. BRITISH BIRDS, 76(3), 139-140. Author URL.

DAVIES M, BRYANT DM (1983). LESSER BLACK-BACKED GULL COMPLETELY SUBMERGING WHILE PLUNGE-DIVING. BRITISH BIRDS, 76(3), 138-139. Author URL.

BRYANT DM, WESTERTERP KR (1983). SHORT-TERM VARIABILITY IN ENERGY TURNOVER BY BREEDING HOUSE MARTINS DELICHON-URBICA - a STUDY USING DOUBLY-LABELED WATER (D2O)-O-18. JOURNAL OF ANIMAL ECOLOGY, 52(2), 525-543. Author URL.

BRYANT DM, WESTERTERP KR (1983). TIME AND ENERGY LIMITS TO BROOD SIZE IN HOUSE MARTINS (DELICHON-URBICA). JOURNAL OF ANIMAL ECOLOGY, 52(3), 905-925. Author URL.

BRYANT DM, TURNER AK (1982). CENTRAL PLACE FORAGING BY SWALLOWS (HIRUNDINIDAE) - THE QUESTION OF LOAD SIZE. ANIMAL BEHAVIOUR, 30(AUG), 845-856. Author URL.

BRYANT DM, WESTERTERP KR (1982). EVIDENCE FOR INDIVIDUAL-DIFFERENCES IN FORAGING EFFICIENCY AMONGST BREEDING BIRDS - a STUDY OF HOUSE MARTINS DELICHON-URBICA USING THE DOUBLY LABELED WATER TECHNIQUE. IBIS, 124(2), 187-192. Author URL.

BRYANT DM (1981). MOLTING SHELDUCKS ON THE WASH. BIRD STUDY, 28(JUL), 157-158. Author URL.

BRYANT DM, WESTERTERP KR (1980). THE ENERGY BUDGET OF THE HOUSE MARTIN (DELICHON-URBICA). ARDEA, 68(1-4), 91-102. Author URL.

BRYANT DM (1979). EFFECTS OF PREY DENSITY AND SITE CHARACTER ON ESTUARY USAGE BY OVERWINTERING WADERS (CHARADRII). ESTUARINE AND COASTAL MARINE SCIENCE, 9(4), 369-384. Author URL.

BRYANT DM, GARDINER A (1979). ENERGETICS OF GROWTH IN HOUSE MARTINS (DELICHON-URBICA). JOURNAL OF ZOOLOGY, 189(NOV), 275-304. Author URL.

TURNER AK, BRYANT DM (1979). GROWTH OF NESTLING SAND MARTINS. BIRD STUDY, 26(2), 117-122. Author URL.

BRYANT DM (1979). REPRODUCTIVE COSTS IN THE HOUSE MARTIN (DELICHON-URBICA). JOURNAL OF ANIMAL ECOLOGY, 48(2), 655-675. Author URL.

HAILS CJ, BRYANT DM (1979). REPRODUCTIVE ENERGETICS OF a FREE-LIVING BIRD. JOURNAL OF ANIMAL ECOLOGY, 48(2), 471-482. Author URL.

BRYANT DM (1978). ENVIRONMENTAL-INFLUENCES ON GROWTH AND SURVIVAL OF NESTLING HOUSE MARTINS DELICHON-URBICA. IBIS, 120(3), 272-283. Author URL.

BRYANT DM (1978). ESTABLISHMENT OF WEIGHT HIERARCHIES IN BROODS OF HOUSE MARTINS DELICHON-URBICA. IBIS, 120(1), 16-26. Author URL.

BRYANT DM (1978). MOLTING SHELDUCKS ON 4TH ESTUARY. BIRD STUDY, 25(2), 103-108. Author URL.

BRYANT DM, HAILS CJ (1975). MECHANISMS OF HEAT CONSERVATION IN LITTERS OF MICE (MUS-MUSCULUS L). COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY, 50(NA1), 99-104. Author URL.

Conferences

Bryant, D.M. (2002). State-dependent behaviour in breeding barn swallows (Hirundo rustica): consequences for reproductive effort.

Bryant DM (1997). Energy expenditure in wild birds. Author URL.

Publications by year

2007