Caiman and butterflies



While traveling through the Amazon to study reptile and amphibian diversity with the Herpetology Division at the University of Michigan, photographer Mark Cowan happened upon a strange sight: a caiman whose head was nearly covered in butterflies. The phenomenon itself isn’t particularly unusual, salt is critical to the survival of many creatures like butterflies and bees who sometimes drink tears from reptiles in regions where the mineral is scarce.
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