Postman Butterfly (Heliconius melpomene) at the Henry Doorly Zoo and Aquarium.
Postman butterfly (Heliconius melpomene plesseni) 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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