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Nocturnal foraging in a diurnal tropical lizard (Squamata: Gekkonidae: Phelsuma laticauda) on Hawaii

Published online by Cambridge University Press:  29 January 2010

Tal Seifan
Affiliation:
Institute of Evolution and Ecology, Plant Ecology Department, Tübingen University, Auf der Morgenstelle 3, 72076 Tübingen, Germany
Aya Federman
Affiliation:
Department of Evolution, Systematics and Ecology, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
William J. Mautz
Affiliation:
Department of Biology, University of Hawaii at Hilo, 200 W. Kawili St., Hilo, Hawaii 96720-4091, USA
Kenneth J. Smith
Affiliation:
Department of Biology, University of Hawaii at Hilo, 200 W. Kawili St., Hilo, Hawaii 96720-4091, USA
Yehudah L. Werner*
Affiliation:
Institute of Evolution and Ecology, Plant Ecology Department, Tübingen University, Auf der Morgenstelle 3, 72076 Tübingen, Germany
*
1Corresponding author. Email: yehudah_w@yahoo.com

Extract

Animals must eat, necessitating their encounter with food. At least one of the two, predator or prey, must move for the two to meet. Many predators forage for prey by one of two strategies, or foraging modes. They forage either actively, in which case their prey may be mobile or sessile, or passively by waiting in ambush, depending on prey motility. These two foraging modes have been studied extensively in lizards as a model organism (Cooper 1995, Huey & Pianka 1981, Pianka 1966, Pietruzska 1986). Many aspects of a species' biology are correlated with its foraging mode. For example, active foragers employ their chemosensory apparatus for following the prey's trail. Sit-and-wait foragers rely on their eyes to identify approaching prey (Cooper 1995). Other differences are briefly referenced elsewhere (Werner et al. 1997, 2004).

Type
Short Communication
Copyright
Copyright © Cambridge University Press 2010

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