why do orangutans live in the canopy
Rainforest canopies are made up of trees that grow between 100 to 150 feet tall. These tree tops take the brunt of rainstorms and trap much of this moisture between and under the interwoven tree branches, keeping the air beneath them warm and humid. Some animals have become specially adapted to live in this rainforest layer and a few rarely leave the safety of the canopy branches. Native of the Central and South American rainforests, the spider monkey lives its entire life in the rainforest canopy. Its prehensile tail, which can grow to be two to three feet long, is especially adapted to help it cling to branches, providing a valuable fifth limb. Spider monkeys are primarily vegetarian, eating a diet of fruit, nuts and leaves, but will eat insects as well.
Spider monkeys can also be found in some rainforests in Mexico. Sporting a coat of rather shaggy reddish fur, orangutans inhabit the rainforest canopies and swamps of Sumatra and Borneo. Male orangutans can grow to be as large as a human, weighing up to 250 pounds and up to five feet in height. They use their long arms to move from limb to limb through the trees in search of fruit, leaves, bark and the occasional insect. Boldly colored, large, thickly curved bills make toucans instantly recognizable. These birds are so comical in looks that a certain manufacturer uses one to brand its popular breakfast cereal. Native to the tropical and sub-tropical rainforests of Central and South America, these fruit and insect eaters live in hollowed out tree holes.
Toucans can grow to between 12 to 24 inches in height. From the three-inch budgie birds, to the three-foot long macaws, parrots can be found in tropical rainforest canopies throughout the world. Bright, bold, beautiful and sometimes noisy, these canopy dwellers spend their lives in search of seeds, nuts and fruit. Some parrots nest in tree holes, others come down from the tree tops to lay their eggs in holes in the ground. Slow of movement and content to sleep up to 15 hours a day, the sloth is perfectly adapted to live in the rainforest canopy. Found in Central and South America, these animals dine exclusively on leaves and fruit and only come down from the canopy when necessary.
Their long limbs have either three or five toes with long claws adapted to hold on to tree limbs. Sloths spend much of their time hanging upside down and their fur has adapted for this as well. Individual hairs grow from the stomach outward so that rain water will run off the sides of the animal while in its favorite position.
Unlike all other primates, who are gregarious and live in social groups, orangutans are semi-solitary animals. They are born after a gestation period of 8 months, and spend the first 5-9 years with their mother, the longest period of infant dependence of any land mammal, after which females establish a home range nearby, and males enter a period of wandering.
Sexual maturity is reached between 12 and 15 years of age, the age at which females usually give birth to their first infant. Offspring are conceived after a courtship of between 3-10 days, which is usually bought to an end by the female. Males play no part in the raising of the young. Orangutans are unusual among primates in having two different types of sexually mature, fertile males, those that have developed the secondary physical characteristics of sexual maturity and those that havenвt. Orangutans are slow moving animals, and spend up to 60% of their day feeding and foraging, and the other 40% resting or sleeping.
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