Pantanal, Mato Grosso, Brazil. Yacare caiman sunning itself along the riverbank. To keep cool, they open their mouths in a process that is called 'mouth gaping,' which is a lot like panting.

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Photo credit: © Janet Horton / DanitaDelimont / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: agua, bank, caiman, close-, dangerous, grosso, horizontal, horton, intimidate, janet, mato, mouth, open, pantanal, reptilia, river, safari, sand, sul, sunning, teeth, threatening, warning, yacare