Detection of a looming stimulus by the Jacky Dragon (Amphibolurus muricatus): selective sensitivity to characteristics of an aerial predator
Rapidly looming objects are highly salient to most animal visual systems. The sensory processing of such stimuli is now well understood in birds and insects. We conducted the first analogous study in lizards, concentrating on the ecologically realistic challenge posed by an approaching aerial predator. In an initial experiment, video footage of a trained raptor flying towards the camera produced flight responses in Jacky dragons, Amphibolurus muricatus, but control sequences showing a...[Show more]
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