What are a orangutans adaptations?

Answer 1

Orangutans have manyadaptations

1.

The reddish-orange coloration is a trait that is well adapted for a forested environment. The sunlight that filters through the forest canopy shines down on numerous levels of vegetation before reaching the forest floor. Vegetation absorbs red and orange light of the color spectrum. By the time sunlight reaches the forest floor, most of the red and orange light is filtered out, making it difficult to detect these colors in the forest environment. Light absorption enables the orangutan's coloration to virtually disappear, blending seamlessly into their forest environment.

2.

Orangutan eyes are dark brown, an adaptation to help protect their eyes from sunlight. Darker eye colors have more pigmentation, than lighter colored eyes; absorbing sunlight before damaging UV light can penetrate to the back of the eyes.

Orangutans possess many adaptations that help them live successfully in their habitat. Orangutans spend almost all of their day in the tree canopy so it is no surprise that they have adapted to live in the trees. The arm length of an Orangutan is 7 feet which allows them to hang on to branches and support themselves. Although Orangutans are considered brachiators, they are very cautious climbers and use any combination of their four grasping extremities (1). The term Brachiator is used loosely with Orangutans since they never jump or drop from tree limb to limb (5). Orangutans suspend their weight from their arms and tree sway using trees like a pole vault. Besides the length of their arms, Orangutans possess a more fully opposable big toe and a highly mobile hip. This adaptation is a consequence of their primary Arboreal lifestyle. In contrast, Gorillas and Chimpanzees live a primary Terrestrial lifestyle.

Orangutans are the only Great Ape to travel predominantly through the trees. When Orangutans do come out of the trees and travel on the ground, they use a method of walking called "Fist Walking". This method of walking Quadrupedally is done by curling the thumb around their fist and as the name implies, walking on their fists. The other Great Apes (Gorillas, Chimpanzees, and Bonobos) travel terrestrially by walking quadrupedally on their knuckles, a method known as "Knuckle Walking".

The adult male Orangutan possess cheek pads and a drooping laryngeal throat pouch. These characteristics are not only intimidating to other Orangutans, but they also help the male Orangutan with his long call. Male Orangutans give off "long calls" that will notify other Orangutans of the male's location in the forest and keep other competing males from approaching the area (2).The cheek pads of adult males are believed to increase the distance of their long call and the massive size creates a convincing threat to their challengers. These pads are made up of subcutaneous collections of fibrous tissue between the eyes and ears.

Another adaptation shown by Orangutans is the replacement of sharp claws by flattened nails. Biologists believe that this adaptation led to the development of highly sensitive tactile pads on the phalanges (1). Orangutans can also use separate power & precision grips, and possess separate control of all their fingers. Additionally, In captivity Orangutans have been observed manufacturing and using tools, acquiring basic language skills such as sign language, and solving problems using insight and reasoning (5). Recently, Orangutans living in the wild have been seen using sticks to extract termites from trees and use large leaves as umbrellas when it is raining heavily.

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