Sedentary snakes and gullible geckos: predator-prey coevolution in nocturnal rock-dwelling reptiles

Article Abstract:

Evidence for the coevolution of velvet geckos, Oedura lesueurii, and its broadheaded snake predator, Hoplocephalus bungaroides, is manifested in the gecko's detection of the predator by chemical cues and the evolution of the foraging technique of the predator. Velvet geckos are wary of entering rock crevices where the scent of the snake predator is evident on the rock surfaces. Consequently, the snake predator has evolved a foraging behavior wherein it remains absolutely still and just wait for the arrival of the prey to limit the scent distribution to a small spot.

Behavior, Predation (Biology), Geckos

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Assessing the potential impact of cane toads on Australian snakes

Article Abstract:

Research indicates that cane toads (Bufo marinus) present a toxic threat to approximately 30% of Australian terrestrial snake species. Risk assessment was calculated using data obtained from 49 snake taxa and snake locomotor capacity after toad ingestion.

Australia, Science & research, Environmental aspects, Protection and preservation, Wildlife management, Toads, Environmental toxicology

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