Julia heleconia (Dryas iulia) butterfly on head of Yacare caiman (Caiman yacare). Butterflies often land on caiman's head to drink the salt from its eyes.Pantanal, Brazil.

In one of nature’s more surprising interactions, a butterfly hunts crocodilian tears in search of life-sustaining salts.

Night of the Caiman

Spotlight

05.03.2016

Once threatened by over-hunting, yacare caimans now number in the millions across Brazil’s Pantanal region.

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Tear Hunter

Night of the Caiman

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