Zoo, also called zoological garden or zoological park, place where wild animals and, in some instances, domesticated animals are exhibited in captivity.. Most long-established zoos exhibit general collections of animals, but some formed more recently specialize in particular groups�e.g., primates, big cats, tropical birds, or waterfowl. Marine invertebrates, fishes, and marine mammals often are kept in separate establishments known as aquariums.
Antelope is a term referring to many even-toed ungulate species indigenous to various regions in Africa and Eurasia. Antelopes comprise a miscellaneous group within the family Bovidae, encompassing those old-world species that are neither cattle, sheep, buffalo, bison, nor goats. A group of antelope is called a herd. There are 91 species, most of which are native to Africa, in about 30 genera. The classification of tribes or subfamilies within Bovidae is still a matter of debate, with several alternative systems proposed.
Antelope are not a cladistic or taxonomically defined group. The term is used loosely to describe all members of the family Bovidae that do not fall under the category of sheep, cattle, or goat. Usually all species of the Alcelaphinae, Antilopinae, Hippotraginae, Reduncinae, Cephalophinae, many Bovinae, the grey rhebok, and the impala are called antelopes.
January 20th, 2013
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