Blue-headed tree agama (Acanthocercus atricollis) at the Omaha Zoo.
Blue-headed tree agama (Acanthocercus atricollis) from the Omaha Zoo.
Joel is a popular keynote speaker with conservation, corporate, and civic groups.
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Joel is the founder of the Photo Ark, a groundbreaking effort to document every species in captivity before it’s too late.
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