National Geographic Daily News

Hawaiian Monk Seal With Crittercam

Photograph by Greg Marshall

A Hawaiian monk seal rests on the sand, seemingly unaware of the Crittercam attached to its back. Developed by National Geographic's Greg Marshall in 1986, Crittercam is a camera system that collects video, sound, and environmental data and allows scientists to remotely observe animal behavior and see the world from the animals' perspectives.

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