Experts check for the signals of radio collared lions.
Two men cut logs in Ceresco, Nebraska.
The fish market in the town of Puerto Ayora, Santa Cruz Island, on the edge of Galapagos National Park.
Tourists walk by a Galapagos land iguana (Conolophus subcristatus) on Urbina Bay, Isabela Island in Galapagos National Park.
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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Join the team on our mission to document and bring awareness to every species in human care.