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Western Tree Hyrax
The western tree hyrax (''Dendrohyrax dorsalis''), also called the western tree dassie or Beecroft's tree hyrax, is a species of tree hyrax within the family Procaviidae. It can be distinguished from other hyraxes by short coarse fur, presence of white patch of fur beneath the chin, lack of hair on the rostrum, and lower crowns of the cheek teeth compared to other members of the same genus. Description The western tree hyrax is similar in appearance to a large guinea pig. It has a head-and-body length of between and a stumpy tail. The pelage is thick and coarse, with a few yellowish hairs scattered among the dark brown and blackish ones; pale individuals with cream-coloured coats have also been observed. Scattered long sensory hairs similar to whiskers are present in the coat. The snout is free from fur, the ears are small and rounded and sometimes tipped with white, and the chin bears a white spot. There is a dorsal scent gland up to long in the centre of the back, surrounded b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Louis Fraser
Louis Fraser (1810 – 1866) was a British Zoology, zoologist and collector. In his early years, Fraser was curator of the Museum of the Zoological Society of London. Little is known about Fraser's early life. He was born in 1810 and married Mary Ann Harrison on 17 February 1844. A son Oscar L. Fraser worked as an assistant in the Indian Museum at Calcutta around 1888. He worked for fourteen years at the museum of the Zoological Society of London. He worked with the anatomist Richard Owen on studies of the emu and rhea. He participated in the Niger expedition of 1841 as the African Civilization Society's scientist, with William Allen (admiral), Allen and Thomas Richard Heywood Thomson, Thomson. He stayed on in Fernando Po and collected. Upon his return he became in charge of Edward Smith-Stanley, 13th Earl of Derby, Lord Derby's collection at Knowsley Hall. In 1846 he was sent by Lord Derby to collect in north Africa. In 1848 he became conservator at Knowsley. He wrote ''Zoologica Ty ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liberia
Liberia, officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to Guinea–Liberia border, its north, Ivory Coast to Ivory Coast–Liberia border, its east, and the Atlantic Ocean to its south and southwest. It has a population of around 5.5million and covers an area of . The official language is English. Languages of Liberia, Over 20 indigenous languages are spoken, reflecting the country's ethnic and cultural diversity. The capital and largest List of cities in Liberia, city is Monrovia. Liberia began in the early 19th century as a project of the American Colonization Society (ACS), which believed that black people would face better chances for freedom and prosperity in Africa than in the United States. Between 1822 and the outbreak of the American Civil War in 1861, more than 15,000 freed and free-born African Americans, along with 3,198 Afro-Caribbeans, relocated to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mammals Of Africa
''Mammals of Africa'' is a book series of six volumes from Bloomsbury Publishing. Published in 2013 and edited by Jonathan Kingdon, David Happold, Thomas Butynski, Michael Hoffmann, Meredith Happold and Jan Kalina, it describes every species of African land mammal A mammal () is a vertebrate animal of the Class (biology), class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three ... which comprise 1,160 species and 16 orders. Published volumes *Volume 1: Introductory Chapters and Afrotheria, edited by Jonathan Kingdon, David Happold, Thomas Butynski, Michael Hoffmann, Meredith Happold and Jan Kalina (352 pages) *Volume 2: Primates, edited by Thomas M. Butynski, Jonathan Kingdon and Jan Kalina (560 pages) *Volume 3: Rodents, Hares and Rabbits, edited by David C.D. Happold (784 pages) *Volume 4: Hedgehogs, Shrews and Bats, edited by Meredith Happo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hyraxes
Hyraxes (), also called dassies, are small, stout, thickset, herbivorous mammals in the family Procaviidae within the order Hyracoidea. Hyraxes are well-furred, rotund animals with short tails. Modern hyraxes are typically between in length and weigh between . They are superficially similar to marmots or over-large pikas but are much more closely related to elephants and sirenians. Hyraxes have a life span of 9 to 14 years. Both types of "rock" hyrax ( ''P. capensis'' and ''H. brucei'') live on rock outcrops, including cliffs in Ethiopia and isolated granite outcrops called koppies in southern Africa. Almost all hyraxes are limited to Africa; the exception is the rock hyrax (''P. capensis'') which is also found in adjacent parts of the Middle East. Hyraxes were a much more diverse group in the past encompassing species considerably larger than modern hyraxes. The largest known extinct hyrax, '' Titanohyrax ultimus'', has been estimated to weigh , compa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Savanna
A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses. Four savanna forms exist; ''savanna woodland'' where trees and shrubs form a light canopy, ''tree savanna'' with scattered trees and shrubs, ''shrub savanna'' with distributed shrubs, and ''grass savanna'' where trees and shrubs are mostly nonexistent.Smith, Jeremy M.B.. "savanna". Encyclopedia Britannica, 5 Sep. 2016, https://www.britannica.com/science/savanna/Environment. Accessed 17 September 2022. Savannas maintain an open canopy despite a high tree density. It is often believed that savannas feature widely spaced, scattered trees. However, in many savannas, tree densities are higher and trees are more regularly spaced than in forests.Manoel Cláudio da ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forest
A forest is an ecosystem characterized by a dense ecological community, community of 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 (biology), 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 (FRA), Global Forest Resources Assessment 2020'' found that forests covered , or approximately 31 percent of the world's land area in 2020. Forests are the largest Terrestrial ecosystem, terrestrial ecosystems of Earth by area, and are found around the globe. 45 percent of forest land is in the Tropical forest, trop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat
In ecology, habitat refers to the array of resources, 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 Biophysical environment, 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 Luminous intensity, light intensity. Biotic index, Biotic factors include the availability of food and the presence or absence of Predation, predators. Every species has particular habitat requirements, habitat generalist species are able to thrive in a wide array of environmental conditions while habitat specialist species require a very limited set of factors to survive. The habitat of a species is not necessarily found in a ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Niger
Niger, officially the Republic of the Niger, is a landlocked country in West Africa. It is a unitary state Geography of Niger#Political geography, bordered by Libya to the Libya–Niger border, north-east, Chad to the Chad–Niger border, east, Nigeria to the Niger–Nigeria border, south, Benin and Burkina Faso to the Benin-Niger border, south-west, Mali to the Mali–Niger border, west, and Algeria to the Algeria–Niger border, north-west. It covers a land area of almost , making it the largest landlocked country in West Africa and the second-largest landlocked nation in Africa behind Chad. Over 80% of its land area lies in the Sahara. Its Islam in Niger, predominantly Muslim population of about million lives mostly in clusters in the south and west of the country. The capital Niamey is located in Niger's south-west corner along the namesake Niger River. Following the spread of Islam to the region, Niger was on the fringes of some states, including the Kanem–Bornu Empire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Uganda
Uganda, officially the Republic of Uganda, is a landlocked country in East Africa. It is bordered to the east by Kenya, to the north by South Sudan, to the west by the Democratic Republic of the Congo, to the south-west by Rwanda, and to the south by Tanzania. The southern part includes a substantial portion of Lake Victoria, shared with Kenya and Tanzania. Uganda is in the African Great Lakes region, lies within the Nile basin, and has a varied equatorial climate. , it has a population of 49.3 million, of whom 8.5 million live in the capital and largest city, Kampala. Uganda is named after the Buganda, Buganda kingdom, which encompasses a large portion of the south, including Kampala, and whose language Luganda is widely spoken; the official language is English. The region was populated by various ethnic groups, before Bantu and Nilotic groups arrived around 3,000 years ago. These groups established influential kingdoms such as the Empire of Kitara. The arrival of Arab trade ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Togo
Togo, officially the Togolese Republic, is a country in West Africa. It is bordered by Ghana to Ghana–Togo border, the west, Benin to Benin–Togo border, the east and Burkina Faso to Burkina Faso–Togo border, the north. It is one of the least developed countries and extends south to the Gulf of Guinea, where its capital city, capital, Lomé, is located. It is a small, tropical country, spanning with a population of approximately 8 million, and it has a width of less than between Ghana and its eastern neighbour Benin. Various peoples settled the boundaries of present-day Togo between the 11th and 16th centuries. Between the 16th and 18th centuries, the coastal region served primarily as a Atlantic slave trade, European slave trading outpost, earning Togo and the surrounding region the name "The Slave Coast of West Africa, Slave Coast". In 1884, during the scramble for Africa, German Empire, Germany established a protectorate in the region called Togoland. After World War I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Sudan
South Sudan (), officially the Republic of South Sudan, is a landlocked country in East Africa. It is bordered on the north by Sudan; on the east by Ethiopia; on the south by the Democratic Republic of the Congo, Uganda and Kenya; and on the west by the Central African Republic. South Sudan's diverse landscape includes vast plains and plateaus, dry and tropical savannahs, inland floodplains, and forested mountains. The Nile, Nile River system is the defining physical feature of the country, running south to north across its center, which is dominated by a large swamp known as the Sudd. South Sudan has a population of just over 12.7 million in 2024. Juba is the Capital city, capital and largest city. Sudan was occupied by History of Egypt under the Muhammad Ali dynasty, Egypt under the Muhammad Ali dynasty and governed as an Anglo-Egyptian Sudan, Anglo-Egyptian condominium until Sudanese independence in 1956. Following the First Sudanese Civil War, the Southern Sudan Autonomous ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sierra Leone
Sierra Leone, officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered to the southeast by Liberia and by Guinea to the north. Sierra Leone's land area is . It has a tropical climate and environments ranging from savannas to rainforests. As of the 2023 census, Sierra Leone has a population of 8,460,512. Freetown is its capital and largest city. Sierra Leone is a presidential republic, with a unicameral parliament and a directly elected president. It is a secular state. Its Constitution of Sierra Leone, constitution provides for the separation of state and religion and freedom of conscience. Muslims constitute three-quarters of the population, and there is a significant Christian minority. Notably, religious tolerance is very high. Sierra Leone's current territorial configuration was established in two phases: in 1808, the coastal Sierra Leone Colony and Protectorate, Sierra Leone Colony was founded as a place to resettle retu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
