Features of the predation of the Eurasian otter upon toads in north-western Spain

Cesar Ayres; Pablo García

doi:10.1016/j.mambio.2010.03.002

Features of the predation of the Eurasian otter upon toads in north-western Spain

Cesar Ayres^* (Corresponding Author)
, Pablo García

^*Corresponding author for this work

Aberdeen Centre For Environmental Sustainability

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Optimal foraging strategies in vertebrates implies that the main source of energy will be those prey items that provide more energy in relation to foraging effort (in terms of both handling and searching time) (Stephens and Krebs 1986; Abrams 2009). Whenever these main prey items decrease in abundance it is predicted that the predator will switch to another source of energy (Stephens and Krebs 1986; Abrams 2009), balancing its metabolism. This behaviour optimizes energy intake in carnivores but it constrains their ecological and evolutionary traits due to their high metabolic requirements (Carbone et al. 2007)...

Original language	English
Pages (from-to)	90-92
Number of pages	3
Journal	Mammalian Biology
Volume	76
Issue number	1
Early online date	30 Mar 2010
DOIs	https://doi.org/10.1016/j.mambio.2010.03.002
Publication status	Published - Jan 2011

Bibliographical note

P.G. would like to acknowledge the collaboration of D. Díaz, P. García, I. Mateos, M. Querejeta and M. Lizana. We also are grateful to D. Bird and Dr H. Kruuk for their valuable comments on a previous draft of the manuscript, improving our work.

Keywords

bufo bufo
Bufonidae
Lutra lutra
Mustelidae
resource use

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Cite this

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title = "Features of the predation of the Eurasian otter upon toads in north-western Spain",

abstract = "Optimal foraging strategies in vertebrates implies that the main source of energy will be those prey items that provide more energy in relation to foraging effort (in terms of both handling and searching time) (Stephens and Krebs 1986; Abrams 2009). Whenever these main prey items decrease in abundance it is predicted that the predator will switch to another source of energy (Stephens and Krebs 1986; Abrams 2009), balancing its metabolism. This behaviour optimizes energy intake in carnivores but it constrains their ecological and evolutionary traits due to their high metabolic requirements (Carbone et al. 2007)...",

keywords = "bufo bufo, Bufonidae, Lutra lutra, Mustelidae, resource use",

author = "Cesar Ayres and Pablo Garc{\'i}a",

note = "P.G. would like to acknowledge the collaboration of D. D{\'i}az, P. Garc{\'i}a, I. Mateos, M. Querejeta and M. Lizana. We also are grateful to D. Bird and Dr H. Kruuk for their valuable comments on a previous draft of the manuscript, improving our work.",

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AU - García, Pablo

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N2 - Optimal foraging strategies in vertebrates implies that the main source of energy will be those prey items that provide more energy in relation to foraging effort (in terms of both handling and searching time) (Stephens and Krebs 1986; Abrams 2009). Whenever these main prey items decrease in abundance it is predicted that the predator will switch to another source of energy (Stephens and Krebs 1986; Abrams 2009), balancing its metabolism. This behaviour optimizes energy intake in carnivores but it constrains their ecological and evolutionary traits due to their high metabolic requirements (Carbone et al. 2007)...

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KW - bufo bufo

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KW - Lutra lutra

KW - Mustelidae

KW - resource use

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JO - Mammalian Biology

JF - Mammalian Biology

IS - 1

ER -

Features of the predation of the Eurasian otter upon toads in north-western Spain

Abstract

Bibliographical note

Keywords

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