Primate Observation

When I visited the San Diego Zoo, one of favorite exhibitions is the orangutan exhibit and watch these amazing and charismatic apes. Always aware that they are in the presence of humans, whether it is the youngsters swinging deftly on their ropes and climbing structures, or the adults having staring matches with the humans on the other side of the viewing glass.
Orangutans are in the class pongo pygmaeus and are one of the four great apes. They walk on the palms of their hands similar to how human infants crawl but they cant travel rapidly in this fashion too long. …