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Theropithecus is a genus of primates in the family Cercopithecidae.It contains a single living species, the gelada (Theropithecus gelada), native to the Ethiopian Highlands.
The gelada (Theropithecus gelada, Amharic: ጭላዳ, romanized: č̣əlada, Oromo: Jaldeessa daabee), sometimes called the bleeding-heart monkey or the gelada baboon, is a species of Old World monkey found only in the Ethiopian Highlands, living at elevations of 1,800–4,400 m (5,900–14,400 ft) above sea level.
This social structure can also be observed in the hamadryas baboon, [110] spider monkeys [92] and the bonobo. [110] The gelada has a similar social structure in which many smaller groups come together to form temporary herds of up to 600 monkeys. [110] Humans also form fission-fusion societies. In hunter-gatherer societies, humans form groups ...
These hilarious photos show some of nature’s mightiest animals — yawning away! From a giant basking hippo with its mouth stretched open to a group of sultry sea lions, these images show some ...
The researchers used sounds, music, food, and mirrors to coax the baboons into walking upright so they could film the movements. The team then analysed the videos, breaking the movement down to 15 ...
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The yawn reflex has long been observed to be contagious. In 1508, Erasmus wrote, "One man's yawning makes another yawn", [39] and the French proverbialized the idea to "Un bon bâilleur en fait bâiller sept" ('One good gaper makes seven others gape'). [40] Often, if one person yawns, this may cause another person to "empathetically" yawn. [23]
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