A spider monkey named Elvis Presley at Boise Zoo in Boise, Idaho, recently celebrated his 60th birthday, and is currently the world's longest-lived spider monkey known. Zoo staff aren't sure exactly what Elvis Presley was born, but celebrates it on time every year on July 2.
Elvis Presley has a black coat with a small white patch on his forehead. He used this long limb to swing around the trees, grabbing food along the way. It is lively, a bit grumpy to male employees, does not like any male employees working in the zoo, but only likes female employees and has a full desire to protect them.
Spider monkeys are usually found in Mexico, Panama and Ecuador and generally prefer to stay in tall tree canopy. They have flexible shoulder joints that help them move easily between branches, but no opposing thumbs.
Their hook-like hands can swing quickly in the tree. In addition, it has a clawable tail that can be used like a fifth leg. There is a friction pad under the tail that has a greater flexibility and is as unique as a human fingerprint. Although different species have different colors, all babies are born with pink faces and ears.
Spider monkeys usually feed on fruit, and a study earlier this year found that the fruit's alcohol concentration is usually between 1% and 2% (by volume) and is a byproduct of natural fermentation.
Robert Dudley, a biologist at the University of California, Berkeley, has been studying humans' love of alcohol for the past 25 years, and in 2014 he wrote a book that he argues began with our ape and monkey ancestors.
The study, released in March, supports the "drunken monkey" hypothesis and deepens our understanding of how alcoholism is initially formed in the human brain.
In addition, the researchers collected the urine of these free-range monkeys and found secondary metabolites of alcohol in the urine.
This suggests that the animals are actually using alcohol for energy, not just through their bodies.
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