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The okapi is sometimes referred to as a living fossil, as it has existed as a species over a long geological time period, and morphologically resembles more primitive forms (e.g. Samotherium). [16] [23] In 2016, a genetic study found that the common ancestor of giraffe and okapi lived about 11.5 million years ago. [24]
The Okapi Wildlife Reserve (French: Réserve de faune à okapis) is a wildlife reserve in the Ituri Forest in the north-east of the Democratic Republic of the Congo, near the borders with South Sudan and Uganda. [3] At approximately 14,000 km 2, it covers approximately one-fifth of the area of the forest.
The Giraffidae are a family of ruminant artiodactyl mammals that share a recent common ancestor with deer and bovids.This family, once a diverse group spread throughout Eurasia and Africa, presently comprises only two extant genera, the giraffe (between one and eight, usually four, species of Giraffa, depending on taxonomic interpretation) and the okapi (the only known species of Okapia).
These varying definitions are not generally reflected in the map of Asia as a whole; for example, Egypt is typically included in the Middle East, but not in Asia, even though the bulk of the Middle East is in Asia. The demarcation between Asia and Africa is the Suez Canal, the Gulf of Suez, the Red Sea, and the Bab-el-Mandeb.
India collided with Asia 30-45 MYA, and exchanged species. Later, as Australia-New Guinea drifted north, the collision of the Australian and Asian plates pushed up the islands of Wallacea , which were separated from one another by narrow straits, allowing a botanic exchange between Indomalaya and Australasia .
In medieval T and O maps, Asia makes for half the world's landmass, with Africa and Europe accounting for a quarter each. With the High Middle Ages, Southwest and Central Asia receive better resolution in Muslim geography, and the 11th century map by Mahmud al-Kashgari is the first world map drawn from a Central Asian point of view.
Modern, giraffe-like restoration in the MEPAN Outdated moose-like restoration Museum reconstruction. Sivatherium resembled the modern okapi, but was far larger, and more heavily built, being about 2.2 m (7.2 ft) tall at the shoulder, 3 m (9.8 ft) in total height with a weight up to 400–500 kg (880–1,100 lb). [5]
Palaeotragus ("ancient goat") is a genus of very large, primitive, okapi-like giraffids from the Miocene to Early Pleistocene of Africa and Eurasia. Palaeotragus primaevus is the older species, being found in early to mid-Miocene strata, while P. germaini is found in Late Miocene strata. P. primaevus is distinguished from P. germaini by the ...