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In other species, males that are smaller than females have higher fitness. As such, many sex-specific morphological adaptations (for example, in Dytiscidae diving beetles, females have setose dorsal furrows that males do not and males have suction cups on their forelegs that females do not [18]) are sexual dimorphisms caused by sexual coercion.
Orangutans communicate with various vocals and sounds. Males will make long calls, both to attract females and to advertise themselves to other males. [40] These calls have three components; they begin with grumbles, peak with pulses and end with bubbles.
Some orangutans also react with laughter at magic tricks performed by humans. [ 3 ] [ 4 ] This behavior is documented in both wild and captive chimpanzees. Chimpanzee laughter is not readily recognizable to humans as such, because it is generated by alternating inhalations and exhalations that sound more like breathing and panting. [ 5 ]
Human activity is a big part of the problem when it comes to threats to the Sumatran orangutan. Some threats can be reversed with the enforcement of current laws and habitat conservation efforts.
The San Diego Zoo recently brought in a bubble machine for some of its animal residents -- and the results were too cute!
Sumatran orangutan (Pongo abelli) Hominoidea is a superfamily of primates. Members of this superfamily are called hominoids or apes, and include gorillas, chimpanzees, orangutans, gibbons, bonobos, and humans. Hominoidea is one of the six major groups in the order Primates. The majority are found in forests in Southeastern Asia and Equatorial Africa, with the exception of humans, which have ...
For months, 30 women breastfed their babies in front of a pregnant orangutan as part of a plan to teach the expecting mother how to care for her newborn at the Dublin Zoo in Ireland.. Mujur, a ...
Ponginae / p ɒ n ˈ dʒ aɪ n iː /, also known as the Asian hominids, is a subfamily in the family Hominidae.Once a diverse lineage of Eurasian apes, the subfamily has only one extant genus, Pongo (orangutans), which contains three extant species; the Sumatran orangutan (Pongo abelii), the Tapanuli orangutan (Pongo tapanuliensis) and the Bornean orangutan (Pongo pygmaeus).