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This study demonstratest he correlationo f an arrayo f ecological characteristicsw ith foraging mode in sit-and-wait foraging Crotalus cerastes and widely foraging Masticophis flagellum. Crotalus cerastes are chiefly nocturnal and spend most of their time on the surface either coiled on or partially buried in the sand waiting to ambush prey. Masticophis flagellum are strictly diurnal predators and cruise through the habitat searching for active and sedentary prey. In this study, C. cerastes averaged 7.2 ? 0.7 (SE) h/day on the surface, almost twice the time of M. flagellum (3.9 ? 0.9 h/day). Body temperatures (Tb's) of active M. flagellum, determined from surgically implanted radio transmitters, were significantly...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Colubridae,
Crotalus cerastes,
Herpetological Monographs,
Masticophis flagellum,
Viperidae,
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