Gabriel Rojo / Black caiman (Melanosuchus niger) on shore, Ibera Marshes, Corrientes Province, Argentina
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Nick Garbutt / Yacare Caiman (Caiman yacare) gaping to regulate its body temperature, with attendant hoverflies, the Paraguay River, Taiama Reserve, western Pantanal, Brazil, South America.
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Luciano Candisani / Jacare Caiman (Caiman yacare) young in wetland, Pantanal, Brazil
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Luciano Candisani / Jacare Caiman (Caiman yacare) two weeks old young in wetland, Pantanal, Brazil
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Luciano Candisani / Jacare Caiman (Caiman yacare) waiting for fish to swim through open mouth in wetland, Pantanal, Brazil
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Luciano Candisani / Jacare Caiman (Caiman yacare) standing on bottom of wetland, Pantanal, Brazil