Tim Laman's Wildlife Photo Archive

Nat Geo: Orangutans In The Wild
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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
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.