Hi, Frank Indiviglio here. I’m a herpetologist, zoologist, and book author, recently retired from a career spent at several zoos, aquariums, and museums, including over 20 years with the Bronx Zoo.
Frogs that are clad in yellow, orange, and red, such as Fire-Bellied Toads and Red-Eyed Treefrogs, often become somewhat dull in coloration after a time in captivity. I’ve noticed this in a variety of species under my care in zoos and at home, yet the phenomenon is rare in the wild or among animals kept outdoors under semi-natural conditions. Color loss can also indicate a health concern (please see below), but often the affected animals are robust and doing well. A photograph showing an astonishing difference in coloration between Red-Eyed Treefrogs maintained on 2 different diets recently caught my eye, and I thought it might be useful to summarize the related research here. Read the rest of this article here Frog Color Fading! Their Diet can Brighten Colors | That Reptile Blog
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My Bio, with photos of animals I’ve been lucky enough to work with: That Pet Place Welcomes Frank Indiviglio | That Reptile Blog
Best Regards, Frank
Very interesting. Makes a lot of sense. Thanks for sharing, Frank!
2.0.3 Hyla versicolor "Eastern Gray Tree Frogs"
2.2.0 Agalychnis callidryas "Red Eyed Tree Frogs"
0.0.3 Dendrobates auratus "Turquoise and Bronze"
0.0.1 Anaxyrus fowleri "Fowler's Toad"
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