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| Gorillas
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Eastern Lowland Gorilla | ||||||||||||
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Gorilla gorilla Gorilla beringei |
The Gorilla, the largest of the primates, is a ground-dwelling herbivore that inhabits the forests of central Africa.
Gorillas move about by knuckle-walking . Males range in height from 1.65 m to 1.75 m, and in weight from 140 kg to 165 kg. Females are about half the weight of males.
Gestation is 8½ months. There are typically 3–4 years between births. Infants stay with their mothers for 3–4 years. Females mature at 10–12 years (earlier in captivity); males 11–13 years, sometimes sooner if they assume leadership early. Lifespan is between 30–50 years.The Gorilla is an endangered species, and has been subject to intense poaching for a long time. Threats to Gorilla survival include habitat destruction and the bushmeat trade.
A silverback is a strong, experienced dominant adult male gorilla, typically more than 12 years of age and named for the distinctive patch of silver hair on his back and the large canines that come with maturity. Blackbacks are sexually immature males from around eight years onward.
One silverback typically leads a troop of 5 to 30 gorillas and is the center of attention, making all the decisions, mediating conflicts, determining the movements of the group, leading the others to feeding sites and taking responsiblity for the safety and well being of the troop.
Males will slowly begin to leave their original troop when they are about 11 years old, travelling alone or with a group of other males for 2–5 years before being able to attract females to form a new group and start breeding. While infant gorillas normally stay with their mother for 3–4 years, silverbacks will care for weaned young orphans.
If challenged by an younger outside male, he will scream, beat his chest, shake broken-off branches at the intruder, bare his teeth then charge forward. If he is killed by disease, accident, fighting or poachers, the group will split up or be taken over in its entirety by a male descendant or even an unrelated male; there is a strong risk that a new male may kill the infants of the dead silverback.
Gorillas are closely related to humans and are considered highly intelligent. A few individuals in captivity have been taught a subset of sign language (see animal language for a discussion) such as KokoThis article is about the gorilla. Koko is also the name of a cartoon character in Fleischer Studios' Talkartoon; the title of a novel by Peter Straub; Koko is a posthumous name for an Emperor of Japan; and there are several African Khoisan languages know, also known for being the only animal known to keep one of another species as a pet. For a time Koko took care of a companion cat.
PrimatologistsPrimatology is the study of primates. It is a diverse discipline and primatologists can be found in departments of biology, anthropology, psychology and many others. It is closely related to physical anthropology, which is the primatology of genus Homo es continue to explore the relationships between various gorilla populations. The most recent publication (Primate Taxonomy, Colin Groves 20012001 is a common year starting on Monday (see link for calendar), and also: The International Year of the Volunteer The United Nations Year of Dialogue Among Civilizations Events January January 1 A black monolith measuring approximately nine feet tall ap BooksEnthsiast.com) lists two recognized species, with four subspeciesIn taxonomy, a subspecies is the taxon immediately subordinate to a species. Members of one subspecies differ morphologically but sometimes only genetically from members of other subspecies of the species. Conventions Conventions regarding infra-specific:Gorilla gorilla, Western Gorilla
Gorilla beringei, Eastern Gorilla
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