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A male red kangaroo Red kangaroos, Liverpool Plains, Sydney, c. 1819. Kangaroos are marsupials from the family Macropodidae (macropods, meaning "large foot"). In common use the term is used to describe the largest species from this family, the red kangaroo, as well as the antilopine kangaroo, eastern grey kangaroo, and western grey kangaroo. [1]
Extant native Australian terrestrial placentals (such as hopping mice) are relatively recent immigrants, arriving via island hopping from Southeast Asia. [94] Genetic analysis suggests a divergence date between the marsupials and the placentals at 96] The ancestral number of chromosomes has been estimated to be 2n = 14.
The Mediterranean Sea, between Africa and Europe The Atlantic Ocean around the plate boundaries (text is in Finnish). The African and European mainlands are non-contiguous, and the delineation between these continents is thus merely a question of which islands are to be associated with which continent.
From the Greek viewpoint, the Aegean Sea was the center of the world; Asia lay to the east, Europe to the north and west, and Africa to the south. [86] The boundaries between the continents were not fixed. Early on, the Europe–Asia boundary was taken to run from the Black Sea along the Rioni River (known then as the Phasis) in Georgia.
Tree-kangaroos thrive in the treetops, as opposed to terrestrial kangaroos which survive on mainland Australia. Two species of tree-kangaroos are found in Australia, Bennett's (D. bennetianus), which is found north of the Daintree River and Lumholtz's (D. lumholtzi). Tree-kangaroos have adapted better to regions of high altitudes. [17]
How many legs does a kangaroo have? Four, right? Well, according to new research, the right answer is actually five. Yes, five. A study published in Biology Letters online Thursday says, when ...
Lists of mammals by region cover mammals found in different parts of the world. They are organized by continent, region, and country, and in some places by sub-national region.
The original drawing of the line in Wallace's paper. One of the earliest descriptions of the biodiversity in the Indo-Australian Archipelago dates back to 1521 when Venetian explorer Pigafetta recorded the biological contrasts between the Philippines and the Maluku Islands (Spice Islands) (on opposite sides of the Wallace's Line) during the continuation of the voyage of Ferdinand Magellan ...