Foraging mode of the chameleon, Bradypodion pumilum: a challenge to the sit-and-wait versus active forager paradigm?

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Foraging mode of the chameleon, Bradypodion pumilum : a challenge to the sit-and-wait versus active forager paradigm?

Foraging mode is an important aspect of life history, often associated with traits such as locomotor mode, energy budget, risk of predation and reproductive effort. Because of these life-history associations, classification of foraging mode can be conceptually useful. Lizards figured prominently in the historical development of foraging mode concepts, yet our current understanding is dominated ...

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Functional consequences of morphological differentiation between populations of the Cape Dwarf Chameleon (Bradypodion pumilum)

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Sit-and-wait versus active-search hunting: A behavioral ecological model of optimal search mode.

Drawing on Skellam׳s (1958) work on sampling animal populations using transects, we derive a behavioral ecological model of the choice between sit-and-wait and active-search hunting. Using simple, biologically based assumptions about the characteristics of predator and prey, we show how an empirically definable parameter space favoring active-search hunting expands as: (1) the average rate of m...

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Chameleons on the move: survival and movement of the Cape dwarf chameleon, Bradypodion pumilum, within a fragmented urban habitat

Reptiles have an amazing diversity of life-history attributes ranging from the shortestto longest-lived of vertebrate species. Estimating survival in wild populations is of key importance when understanding population dynamics and life-history evolution. However, data are lacking for a large and charismatic group of lizards, the chameleons. We conducted a Robust Design (RD) capture–mark–recaptu...

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ژورنال

عنوان ژورنال: Biological Journal of the Linnean Society

سال: 2005

ISSN: 0024-4066,1095-8312

DOI: 10.1111/j.1095-8312.2005.00465.x