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Effects of the doubly labelled water procedure on Great Tits Parus major feeding young

Shelley A. Hinsley, Auteur ; Paul E. Bellamy, Auteur ; Peter Rothery, Auteur ; Paula Redman, Auteur ; Lindsay Furness, Auteur ; John R. Speakman, Auteur

Dans Bird Study (58(2) 2011)

Capsule Female feeding rate behaviour was highly variable between individuals but no effect of the doubly labelled water (DLW) procedure on female visit rate was detected, whereas visit rates by males, which were neither trapped or manipulated, [...]

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Article

Maximal heat dissipation capacity and hyperthermia risk: neglected key factors in the ecology of endotherms

John R. Speakman, Auteur ; Elzbieta Krol, Auteur

Dans Journal of Animal Ecology (79(4) JUL 2010)

P>1. The role of energy in ecological processes has hitherto been considered primarily from the standpoint that energy supply is limited. That is, traditional resource-based ecological and evolutionary theories and the recent 'metabolic theory o[...]

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Snake Pipefish Entelurus aequoreus are poor food for seabirds

Michael P. Harris, Auteur ; Mark Newell, Auteur ; Francis Daunt, Auteur ; John R. Speakman, Auteur ; Sarah Wanless, Auteur

Dans Ibis (150(2) APR 2008)

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