Free Photo: Western Lowland Gorillas at the Leipzig Zoo, Germany

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A family group of Western Lowland Gorillas relax in the Pongoland area of the Leipzig Zoo in Leipzig Germany.

Western lowland gorillas have a more pronounced brow ridge, and ears that appear small in relation to their heads. They also have a different shaped nose and lip. Adult male gorillas’ heads look conical due to the large bony crests on the top (sagittal) and back (nuchal) of the skull. These crests anchor the massive muscles used to support and operate their large jaws and teeth. Adult female gorillas also have these crests, but they are much less pronounced. In comparison to the mountain gorilla, the western lowland gorilla has a wider and larger skull and the big toe of the western lowland gorilla is spread apart more from the alignment of his other four toes.

Like all great apes, gorillas’ arms are longer than their legs. When they move quadrupedally, they knuckle-walk, supporting their weight on the third and fourth digits of their curled hands. Like other primates each individual has distinctive fingerprints.

Lowland gorilla hair is short, soft, and very fine. There is no under fur (a thick layer of insulating hair close to the skin, such as on dogs or minks). Lowland gorillas’ coats are suited for warm, moist forest habitats. Mountain gorillas are more shaggy and thick-furred due to the colder temperatures at high altitudes. (source: http://nationalzoo.si.edu/Animals/Primates/Facts/FactSheets/Gorillas/default.cfm)

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