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Nat Geo: Orangutans In The Wild
Image 22 of 27
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Anthropologist Cheryl Knott checks orangutan urine samples for signs of menstruation, infection, and weight loss. She is using dipstick tests for humans, which work on orangutans.

Copyright
National Geographic Society
Image Size
5000x3318 / 17.3MB
Keywords
Gunung Palung National Park, People, Rain Forest, Z1, Z19
Anthropologist Cheryl Knott checks orangutan urine samples for signs of menstruation, infection, and weight loss.  She is using dipstick tests for humans, which work on orangutans.