Obligate vertebrate scavengers must be large soaring fliers

Among extant vertebrates, only the 23 species of vulture are obligate scavengers. We use an energetic modelling approach to explore the constraints imposed by an obligate scavenging lifestyle, and to ask whether obligate scavengers must always be avian and generally large-bodied users of soaring fli...

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Veröffentlicht in:	Journal of theoretical biology 2004-06, Vol.228 (3), p.431-436
Hauptverfasser:	Ruxton, Graeme D., Houston, David C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Allometry Animals Birds - physiology Body Constitution - physiology Competitive Behavior - physiology Energetics Energy Metabolism - physiology Flight, Animal - physiology Foraging Models, Biological Predatory Behavior - physiology Scavenging Species Specificity Vertebrates - physiology Vultures
Online-Zugang:	Volltext
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