What do orangutans use as shelter?
They use large leaves as umbrellas and shelters to protect themselves from the common rains.
What adaptations do Sumatran orangutans have?
Adaptations. Sumatran orangutans have long, strong arms– 1-1/2 times the length of their legs – that enable them to move easily in the trees. Fingers and toes are long and strong for gripping branches and opposable thumbs enable orangutans to use a variety of tools to extract embedded food or use as fly swatters.
Are Sumatran orangutans solitary?
Social Structure. Unusual in primates, orangutans are primarily solitary (live alone). Social behavior varies between Bornean and Sumatran orangutans in that Sumatran orangutans have access to more fruit and sharing opportunities, leading to greater sociability.
Do Sumatran orangutans have flanges?
Dominant adult males develop distinctive cheek pads or flanges and make long calls that attract females and intimidate rivals; younger subordinate males do not and more resemble adult females.
What is Sumatran orangutans habitat?
The Sumatran orangutan is almost exclusively arboreal, living among the trees of tropical rainforests. Females virtually never travel on the ground and adult males do so rarely. Sumatran orangutans are reported to have closer social ties than their Bornean cousins.
What do Sumatran orangutan eat?
6. What do orangutans eat? Fruit makes up about 60% of the orangutan’s diet, including lychees, mangosteens, mangoes and figs. They also eat young leaves and shoots, insects, soil, tree bark, and occasionally eggs and small vertebrates.
What is a behavioral adaptation of an orangutan?
Behavioral Adaptations The males have a loud booming call that can travel up to a mile to warn other males that they are in the area and to let receptive females know they are there. These large males are very aggressive, and they often have scars and battle wounds from fights with other males.
Do orangutans live alone or in groups?
And while orangutans do not live in tight social groups like African apes, they know and interact with other orangutans within their range. Adult males typically travel alone but may form a consortship, or partnership, with a female to mate, traveling with her for a few days or sometimes several weeks.
How can we save Sumatran orangutans?
There are many ways to get involved, and each one helps us save the orangutans.
- Adopt an Orangutan.
- Donate.
- Protect the Bukit Tigapuluh Ecosystem.
- Plant Forest.
- Orangutan Adventure Tours.
- Business Partnerships.
- Bequests.
- Volunteer.
What is a flange on an orangutan?
A flanged male has big cheek pads on the sides of his face and a large pendulous throat sack under his chin. An unflanged male has neither of these traits, and his body is usually smaller.
Is the Sumatran orangutan an arboreal animal?
The Sumatran orangutan is almost exclusively arboreal, living among the trees of tropical rainforests. Females virtually never travel on the ground and adult males do so rarely.
What tools do Sumatran orangutans use?
Wild Sumatran orangutans in the Suaq Balimbing swamp have been observed using tools. An orangutan will break off a tree branch that is about a foot long, snap off the twigs and fray one end with its teeth. The orangutan will use the stick to dig in tree holes for termites.
How many gestures do Sumatran orangutans have?
– Sumatran Orangutan’s have a repertoire of 64 different gestures which have been identified with which 29 are thought to be understood by other Orangutans with a specific meaning including, affiliate/play, stop action, look at, take object, share and move away.
Where do orangutans live in Indonesia?
Adult males are typically solitary while females are accompanied by offspring. Historically, the Sumatran orangutan was distributed over the entire island of Sumatra and further south into Java. The species’ range is now restricted to the north of the island with a majority in the provinces of North Sumatra and Aceh.