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Colobus Vellerosus
The ursine colobus (''Colobus vellerosus''), also known as the white-thighed colobus, Geoffroy's black-and-white colobus, or the white-thighed black-and-white colobus, is a species of primate in the family Cercopithecidae. Description The ursine colobus is quite distinctive, with predominantly black fur and lacking a white mantle. They have a black and naked face which is surrounded by a thick white halo of fur. The ursine colobus is further characterized by white patches on the thighs which vary in width and length. Like other species of colobus, the babies are born with an all white fur coat, which starts to turn black at around three months of age. In contrast to other species of colobus, they have slender bodies and ischial callosities, a hard thickened area of skin on the buttocks that allows comfortable sitting on branches. It has an all white tail which is longer than the body. They weigh between for males and in females with a body length of is in males and in females. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isidore Geoffroy Saint-Hilaire
Isidore Geoffroy Saint-Hilaire (16 December 1805 – 10 November 1861) was a French zoologist and an authority on deviation from normal structure. In 1854 he coined the term ''éthologie'' (ethology). Biography He was born in Paris, the son of Étienne Geoffroy Saint-Hilaire. In his earlier years he showed an aptitude for mathematics, but eventually he devoted himself to the study of natural history and of medicine, and in 1824 he was appointed assistant naturalist to his father. In 1829 he delivered for his father the second part of a course of lectures on ornithology, and during the following three years he taught zoology at the ''Athénée'', and teratology at the ''École pratique''. He was elected a member of the French Academy of Sciences in 1833, was in 1837 appointed to act as deputy for his father at the faculty of sciences in Paris. During the following year he was sent to Bordeaux to organize a similar faculty there. He became successively; inspector of the aca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical manifestation of its ecological niche. Thus "habitat" is a species-specific term, fundamentally different from concepts such as environment or vegetation assemblages, for which the term "habitat-type" is more appropriate. The physical factors may include (for example): soil, moisture, range of temperature, and light intensity. Biotic factors will include the availability of food and the presence or absence of predators. Every species has particular habitat requirements, with habitat generalist species able to thrive in a wide array of environmental conditions while habitat specialist species requiring a very limited set of factors to survive. The habitat of a species is not necessarily found in a geographical area, it can be the interior ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mammals Described In 1834
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three middle ear bones. These characteristics distinguish them from reptiles (including birds) from which they diverged in the Carboniferous, over 300 million years ago. Around 6,400 extant species of mammals have been described divided into 29 orders. The largest orders, in terms of number of species, are the rodents, bats, and Eulipotyphla (hedgehogs, moles, shrews, and others). The next three are the Primates (including humans, apes, monkeys, and others), the Artiodactyla ( cetaceans and even-toed ungulates), and the Carnivora (cats, dogs, seals, and others). In terms of cladistics, which reflects evolutionary history, mammals are the only living members of the Synapsida (synapsids); this clade, together w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mammals Of West Africa
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three middle ear bones. These characteristics distinguish them from reptiles (including birds) from which they diverged in the Carboniferous, over 300 million years ago. Around 6,400 extant species of mammals have been described divided into 29 orders. The largest orders, in terms of number of species, are the rodents, bats, and Eulipotyphla (hedgehogs, moles, shrews, and others). The next three are the Primates (including humans, apes, monkeys, and others), the Artiodactyla ( cetaceans and even-toed ungulates), and the Carnivora (cats, dogs, seals, and others). In terms of cladistics, which reflects evolutionary history, mammals are the only living members of the Synapsida (synapsids); this clade, together with Saurop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colobus
Black-and-white colobuses (or colobi) are Old World monkeys of the genus ''Colobus'', native to Africa. They are closely related to the red colobus monkeys of genus '' Piliocolobus''. There are five species of this monkey, and at least eight subspecies. They are generally found in high-density forests where they forage on leaves, flowers and fruit. Social groups of colobus are diverse, varying from group to group. Resident-egalitarian and allomothering relationships have been observed among the female population. Complex behaviours have also been observed in this species, including greeting rituals and varying group sleeping patterns. Colobi play a significant role in seed dispersal. Etymology The word "colobus" comes from Greek (''kolobós'', "docked", "maimed"), so named because the thumb is stump-like. Taxonomy *Genus ''Colobus'' **Black colobus, ''C. satanas'' ***Gabon black colobus, ''C. s. anthracinus'' ***Bioko black colobus, ''C. s. satanas'' **Angola colobus, ''C. ang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Digya National Park
Digya National Park is the second largest national park and the oldest protected area in Ghana. It is located in the Bono East Region. It was created in 1900 and given national park status in 1971. The park is the only wildlife territory in Ghana to have Lake Volta at its borders. Geography Occupying an area of 3,743 square kilometers, the park is the second largest national park in Ghana. It is in the Bono East region and is bordered on the north, south, and east by Lake Volta. Located on a lowland peninsula, it has an undulating terrain. It is located in a transitional area between a forest and savanna. History Digya National Park was created in 1900 as a protected area, the first in Ghana. It was acquired by the government and gazetted as a national park in 1971. When the government acquired the park, there were living settlements in the park, with most of the residents being fishermen and farmers. In 2006, there were 49 settlements and the government of Ghana began evicting s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bui National Park
The Bui National Park is found in Ghana. It was established in 1971. This site is 1821km². It is located in a typical woodland savanna zone. The reserve is notable for its large Hippopotamus population in the Black Volta. The endangered black and white colobus monkey and a variety of antelopes and birds are also present. Part of the park has been inundated by the reservoir of the Bui Dam, which was constructed from 2007 to 2013. Location Bui National Park is bisected by the Black Volta River; the section on the West of the river forms part of the Bono region and the section on the East of the river forms part of the Savannah Region of Ghana. The park borders Ivory Coast on the West. The closest towns are Nsawkaw, Wenchi and Techiman Techiman is a city and is the capital of Techiman Municipal and Bono East Region of Ghana. Techiman is a leading market town in South Ghana. Techiman is one of the two major cities and settlements of Bono East region. Techiman is home to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mole National Park
Mole National Park is Ghana's largest wildlife refuge. The park is located in the Savannah region of Ghana on savanna and riparian ecosystems at an elevation of 50 m, with a sharp escarpment forming the southern boundary of the park. The park's entrance is reached through the nearby town of Larabanga. The Levi and Mole Rivers are ephemeral rivers flowing through the park, leaving behind only drinking holes during the long dry season. This area of Ghana receives over 10 mm per year of rainfall. A long-term study has been done on Mole National Park to understand the impact of human hunters on the animals in the preserve. History The park's lands were set aside as a wildlife refuge in 1958. In 1971, the small human population of the area was relocated and the lands were designated a national park. The park has not seen major development as a tourist location since its original designation. The park as a protective area is underfunded and national and international concerns ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fazao-Malfakassa National Park
Fazao Malfakassa National Park is the largest of three national parks in Togo, the others being Kéran and Fosse aux Lions. It is situated between the Kara Region and Centrale Region in semi-mountainous wetland, and forms part of the border with Ghana. The Fondation Franz Weber was authorized by the government to manage the park for 25 years, beginning in 1990 and ending in 2015. It was established in 1975 by the merger of two reserve forests created in 1951: Fazao () and Malfakassa (). The Forest Classée Du Fazao contains most of the biodiversity of the forest, while visitors go hiking in the rocky hills of the Malfacassa Zone de Chasse. The terrain consists of "savanna woodland ... good stands of gallery forest ... , submontane forest and grass-covered hilltops." The site is currently being considered for inclusion in the World Heritage list of sites with "outstanding universal value" to the world. This site was added to the UNESCO World Heritage Tentative List on January 8, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat Loss
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby reducing biodiversity and species abundance. Habitat destruction is the leading cause of biodiversity loss. Fragmentation and loss of habitat have become one of the most important topics of research in ecology as they are major threats to the survival of endangered species. Activities such as harvesting natural resources, industrial production and urbanization are human contributions to habitat destruction. Pressure from agriculture is the principal human cause. Some others include mining, logging, trawling, and urban sprawl. Habitat destruction is currently considered the primary cause of species extinction worldwide. Environmental factors can contribute to habitat destruction more indirectly. Geological processes, climate change, introdu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forest
A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' Food and Agriculture Organization (FAO) defines a forest as, "Land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds ''in situ''. It does not include land that is predominantly under agricultural or urban use." Using this definition, '' Global Forest Resources Assessment 2020'' (FRA 2020) found that forests covered , or approximately 31 percent of the world's land area in 2020. Forests are the predominant terrestrial ecosystem of Earth, and are found around the globe. More than half of the world's forests are found in only five countries (Brazil, Canada, China, Russia, and the United States). The largest share of forests (45 percent) are in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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