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The chimpanzee, also known as simply the chimp, is a species of great ape native to the forests and savannahs of tropical Africa. It has four confirmed subspecies and a fifth proposed one. When its close relative the bonobo was more commonly known as the pygmy chimpanzee, this species was often called the common chimpanzee or the robust chimpanzee. The chimpanzee and the bonobo are the only species in the genus Pan. Evidence from fossils and DNA sequencing shows that Pan is a sister taxon to the human lineage and is humans' closest living relative. The chimpanzee is covered in coarse black hair, but has a bare face, fingers, toes, palms of the hands, and soles of the feet. It is larger and more robust than the bonobo, weighing 40–70 kg (88–154 lb) for males and 27–50 kg (60–
Gorillas are herbivorous, predominantly ground-dwelling great apes that inhabit the tropical forests of equatorial Africa. The genus Gorilla is divided into two species: the eastern gorilla and the western gorilla, and either four or five subspecies. The DNA of gorillas is highly similar to that of humans, from 95 to 99% depending on what is included, and they are the next closest living relatives to humans after chimpanzees and bonobos.
Homininae, also called "African hominids" or "African apes", is a subfamily of Hominidae. It includes two tribes, with their extant as well as extinct species: 1) the tribe Hominini ―and 2) the tribe Gorillini (gorillas). Alternatively, the genus Pan is sometimes considered to belong to its own third tribe, Panini. Homininae comprises all hominids that arose after orangutans split from the line of great apes. The Homininae cladogram has three main branches, which lead to gorillas, and to humans and chimpanzees via the tribe Hominini and subtribes Hominina and Panina. There are two living species of Panina and two living species of gorillas, but only one extant human species. Traces of extinct Homo species, including Homo floresiensis have been found with dates as recent as 40,000 years ago. Organisms in this subfamily are described as hominine or hominines.
Orangutans are great apes native to the rainforests of Indonesia and Malaysia. They are now found only in parts of Borneo and Sumatra, but during the Pleistocene they ranged throughout Southeast Asia and South China. Classified in the genus Pongo, orangutans were originally considered to be one species. From 1996, they were divided into two species: the Bornean orangutan and the Sumatran orangutan. A third species, the Tapanuli orangutan, was identified definitively in 2017. The orangutans are the only surviving species of the subfamily Ponginae, which diverged genetically from the other hominids between 19.3 and 15.7 million years ago.
Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians. Primates arose 85–55 million years ago first from small terrestrial mammals, which adapted to living in the trees of tropical forests: many primate characteristics represent adaptations to life in this challenging environment, including large brains, visual acuity, color vision, a shoulder girdle allowing a large degree of movement in the shoulder joint, and dexterous hands. Primates range in size from Madame Berthe's mouse lemur, which weighs 30 g (1 oz), to the eastern gorilla, weighing over 200 kg (440 lb). There are 376–524 species of living primates, depending on which classification is used. New primate species continue to be discovered: over 25 species were described in the 2000s, 36 in the 2010s, and three in the 2020s.
The bonobo, also historically called the pygmy chimpanzee, is an endangered great ape and one of the two species making up the genus Pan. While bonobos are, today, recognized as a distinct species in their own right, they were initially thought to be a subspecies of Pan troglodytes, due to the physical similarities between the two species. Taxonomically, the members of the chimpanzee/bonobo subtribe Panina—composed entirely by the genus Pan—are collectively termed panins.
Primatology is the scientific study of primates. It is a diverse discipline at the boundary between mammalogy and anthropology, and researchers can be found in academic departments of anatomy, anthropology, biology, medicine, psychology, veterinary sciences and zoology, as well as in animal sanctuaries, biomedical research facilities, museums and zoos. Primatologists study both living and extinct primates in their natural habitats and in laboratories by conducting field studies and experiments in order to understand aspects of their evolution and behavior.
Research into great ape language has involved teaching chimpanzees, bonobos, gorillas and orangutans to communicate with humans and each other using sign language, physical tokens, lexigrams, and imitative human speech. Some primatologists argue that the use of these communication methods indicate primate "language" ability, though this depends on one's definition of language.
The Bili apes, or Bondo mystery apes, were names given in 2003 in sensational reports in the popular media to a purportedly new species of highly aggressive, giant ape supposedly inhabiting the wetlands and savannah around of the village of Bili in the Democratic Republic of the Congo. "The apes nest on the ground like gorillas, but they have a diet and features characteristic of chimpanzees", according to a 2003 National Geographic article.
The Goualougo Triangle is a 100-square-mile (260 km2) region on the southern end of the Nouabale-Ndoki National Park, located in the Republic of Congo, in Central Africa. The northern Congo lowland forest ecosystem of the park is one of the most intact fauna habitats of its type in Africa. Populations of several endangered or threatened species are found here, including forest elephants, western lowland gorillas and a high density of common chimpanzees.
The western lowland gorilla is one of two Critically Endangered subspecies of the western gorilla that lives in montane, primary and secondary forest and lowland swampland in central Africa in Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea and Gabon. It is the nominate subspecies of the western gorilla, and the smallest of the four gorilla subspecies.
Craig Stanford is Professor of Biological Sciences and Anthropology at the University of Southern California. He is also a Research Associate in the herpetology section of the Los Angeles County Natural History Museum. He is known for his field studies of the behavior, ecology and conservation biology of chimpanzees, mountain gorillas and other tropical animals, and has published more than 140 scientific papers and 17 books on animal behavior, human evolution and wildlife conservation. He is best known for his field study of the predator–prey ecology of chimpanzees and the animals they hunt in Gombe National Park, Tanzania, and for his long term study of the behavior and ecology of chimpanzees and mountain gorillas in Bwindi Impenetrable National Park, Uganda.
Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction. Originally thought to be a skill possessed only by humans, some tool use requires a sophisticated level of cognition. There is considerable discussion about the definition of what constitutes a tool and therefore which behaviours can be considered true examples of tool use. A wide range of animals, including mammals, birds, fish, cephalopods, and insects, are considered to use tools.
Frances J. White is a British biological anthropologist, professor, and primatologist at the University of Oregon. As a behavioral ecologist, her research focuses on the evolution of primate sociality and social systems. She has studied the socioecology of the bonobo chimpanzee for over 35 years at Lomako Forest in the Democratic Republic of Congo. She is the foremost American authority on this species in the wild and has done extensive field research on the bonobo or pygmy chimpanzees. Her bonobo research examines why bonobos have evolved a very different social system compared to the closely related chimpanzee.
The Hominidae, whose members are known as the great apes or hominids, are a taxonomic family of primates that includes eight extant species in four genera: Pongo ; Gorilla ; Pan ; and Homo, of which only modern humans remain.
Christophe Boesch is a primatologist who studies chimpanzees. He and his wife work together, and he has both written articles and directed documentaries about chimpanzees.
Josep Call is a Spanish comparative psychologist specializing in primate cognition.
The Comoé Chimpanzee Conservation Project, CCCP, is a research and conservation project created in October 2014 by Juan Lapuente with the support of K. Eduard Linsenmair, from Würzburg University. Its main objectives are to study and help to preserve the population of chimpanzees resident in Comoé National Park and its neighboring areas, in Ivory Coast.
Primate archaeology is a field of research established in 2008 that combines research interests and foci from primatology and archaeology. The main aim of primate archaeology is to study behavior of extant and extinct primates and the associated material records. The discipline attempts to move beyond archaeology's anthropocentric perspective by placing the focus on both past and present primate tool use.
References
- 1 2 "Crickette Sanz". Department of Anthropology. Washington University in St. Louis. May 4, 2017. Retrieved 2020-07-17.[ permanent dead link ]
- ↑ staff, Tidings (2018-05-29). "Speaker series features talk on wild chimpanzees and gorillas". Ashland Tidings. Archived from the original on 2020-07-17. Retrieved 2020-07-17.
- ↑ "Top Anthropology Stories of 2003". Discover Magazine. Retrieved 2020-07-17.
- ↑ Thorp, H. Holden (2020-07-10). "Monumental patience". Science. 369 (6500): 121. Bibcode:2020Sci...369..121T. doi: 10.1126/science.abd6799 . ISSN 0036-8075. PMID 32646974.
- ↑ Campbell, Tayte P.; Sun, Xiaoqing; Patel, Vishal H.; Sanz, Crickette; Morgan, David; Dantas, Gautam (June 2020). "The microbiome and resistome of chimpanzees, gorillas, and humans across host lifestyle and geography". The ISME Journal. 14 (6): 1584–1599. doi:10.1038/s41396-020-0634-2. ISSN 1751-7370. PMC 7242348 . PMID 32203121.
- ↑ "Sanz recognized with Women-in-Primatology award". Washington University in St. Louis. 12 July 2019.