caiman gape temperature regulation Pantanal 2757.jpg
Yacare Caiman (Caiman yacare) with attendant hoverflies at the edge of the Paraguay River, Taiama Reserve, western Pantanal, Brazil. Gaping to regulate its body temperature (thermoregulation).
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Archive, Brazil, NPL, Nick Garbutt, Pantanal, Paraguay River, South America, Taiama, Yacare, bask, basking, body temperature, caiman, close-up, control, cooling, crocodilian, gape, gaping, landscape, predator, regulation, swamp, teeth, temperature, thermo-regulation, thermoregulation, water, wetlands