Gliding tree frog (Agalychnis spurrelli) from the Atlanta Botanical Garden.
A gliding or Spurrell’s tree frog (Agalychnis spurrelli) at the Saint Louis 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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