50.1 MB (4.5 MB compressed)
5125 x 3417 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
FIONA ROGERS, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY FIONA ROGERS, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY
Gelada (Theropithecus gelada) adult male yawning. This primate inhabits the grassland areas of the highlands in Eritrea and Ethiopia. Males lead small troops consisting of females and their offspring. The gelada feeds mainly on grass (a graminivore), the only primate to do so. Photographed in Simien Mountains National Park, Ethiopia.
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