Will Joel Sartore Run Out of Animals to Photograph? The Photo Ark Founder Weighs In

National Geographic Explorer Joel Sartore is on a mission to photograph all 25,000 animal species in the world’s zoos and wildlife sanctuaries. He answers subscribers’ questions about the animals he’s helped save, the equipment he uses, and what it takes to run the ambitious project.

Animals · Ask an Expert Anything · By National Geographic Staff · Published September 16, 2026 · 1 min read

Topics: Animal Discoveries, Conservation, Endangered Species, Animal Behaviors, Wildlife Photography, Photography, Wildlife Conservation, Cameras, Zoos, Video, Embedded Video, Ask an Expert Anything, Animals

These questions have been edited for length and clarity.