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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.
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 ]
Chimpanzees, gorillas, orangutans, capuchin monkeys, baboons, and mandrills have all been reported as using tools. The use of tools by primates is varied and includes hunting (mammals, invertebrates, [ 29 ] fish), collecting honey, [ 30 ] processing food (nuts, fruits, vegetables and seeds), collecting water, weapons and shelter.
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.
Among the Great Apes with Michelle Yeoh is a 2009 documentary film made by National Geographic in cooperation with FINAS (National Film Development Corporation Malaysia). [1] The film is notable for showing how the Sepilok Orangutan Rehabilitation Centre (also known as Sepilok Orang Utan Sanctuary ) in Sabah is fighting for the survival and ...
The San Diego Zoo recently brought in a bubble machine for some of its animal residents -- and the results were too cute!
A chameleon launching its tongue at its prey. Chameleons, frogs and some lungless salamanders have tongues that act like a tethered projectile. In frogs, the tongue is attached at the front of the mouth and rotates about this attachment as it flips out (thus the top of the tongue at rest becomes the bottom when extended).
To teach 19-year-old Mujur the maternal skills she needed, the Dublin Zoo showed the pregnant orangutan videos of other orangutans feeding their babies. The zoo also asked for volunteers from ...