Why are these gray African crocodiles turning orange?

By Chris Giles, CNN

Updated 0926 GMT (1726 HKT) March 2, 2018

These orange cave-dwelling crocodiles, which can be found in the Abanda caves in a remote region in Gabon, could be mutating into a new species. They were first discovered in 2009.
Photos: Why are these African crocodiles orange?
Orange crocodiles – These orange cave-dwelling crocodiles, which can be found in the Abanda caves in a remote region in Gabon, could be mutating into a new species. They were first discovered in 2009.
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It remains a mystery why the crocodiles are orange, but scientists best guess is that acidic bleaching from bat feces could be the cause.
Photos: Why are these African crocodiles orange?
Orange crocodiles – It remains a mystery why the crocodiles are orange, but scientists best guess is that acidic bleaching from bat feces could be the cause.
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Tasty? The orange crocodiles think so. Their diet mainly consists of bats and crickets, different to forest crocodiles.
Photos: Why are these African crocodiles orange?
Bats – <