Contact: Suzanne Wu
swu@press.uchicago.edu
773-834-0386
University of Chicago Press Journals

Male Lizard Threat Display

Caption: The colorful and robust head of an adult male eastern collard lizard (Crotaphytus collaris) from the Wichita Mountains National Wildlife Refuge. The partially unfolded, bright white mouth-corner patch accentuates the jaw muscles during gaping displays.

Credit: Courtesy A.K. Lappin

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