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caiman gape temperature basking Pantanal 0050.jpg
Yacare Caiman (Caiman yacare) at the edge of the Piquiri River, northern Pantanal, Brazil. Basking / gaping to regulate its body temperature (thermoregulation).
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Archive, Brazil, Cuiaba River, NPL, Nick Garbutt, Pantanal, Piquiri River, South America, Yacare, basking, body temperature, caiman, close-up, control, cooling, crocodilian, gape, landscape, portrait, predator, regulation, reptile, swamp, teeth, temperature, thermo-regulation, thermoregulation, water, wetlands