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Aardvark

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Aardvark

The aardvark (/ˈɑːrdvɑːrk/ ARD-vark; Orycteropus afer) is a medium-sized, burrowing, nocturnal mammal native to Africa. The aardvark is the only living member of the genus Orycteropus, the family Orycteropodidae and the order Tubulidentata. It has a long proboscis, similar to a pig's snout, which is used to sniff out food.

The aardvark is an afrotherian, a clade that also includes elephants, manatees, and hyraxes.

It is found over much of the southern two-thirds of the African continent, avoiding areas that are mainly rocky. A nocturnal feeder, the aardvark subsists on ants and termites by using its sharp claws and powerful legs to dig the insects out of their hills. Aardvarks also dig to create burrows in which to live and rear their young.

The aardvark is sometimes colloquially called the "African ant bear", "anteater" (not to be confused with the South American anteaters), or the "Cape anteater" after the Cape of Good Hope.

The name aardvark is Afrikaans (pronounced [ˈɑːrtfark]) and comes from earlier Afrikaans erdvark. It means 'earth pig' or 'ground pig' (aarde: 'earth', vark: 'pig, young pig'), because of its burrowing habits.

The name Orycteropus means 'burrowing foot', and the name afer refers to Africa. The name of the aardvark's order, Tubulidentata, comes from the tubule-style teeth.

The aardvark is not closely related to the pig; rather, it is the sole extant representative of the obscure mammalian order Tubulidentata, in which it is usually considered to form one variable species of the genus Orycteropus, the sole surviving genus in the family Orycteropodidae. The aardvark is not closely related to the South American anteater, despite sharing some characteristics and a superficial resemblance. The similarities are the outcome of convergent evolution. The closest living relatives of the aardvark are the elephant shrews, Tenrecidae, and golden moles. Along with sirenians, hyraxes, elephants, and their extinct relatives, these animals form the superorder Afrotheria. Studies of the brain have shown the similarities with Condylarthra.

Based on his study of fossils, Bryan Patterson has concluded that early relatives of the aardvark appeared in Africa around the end of the Paleocene. The ptolemaiidans, a mysterious clade of mammals with uncertain affinities, may actually be stem-aardvarks, either as a sister clade to Tubulidentata or as a grade leading to true tubulidentates.

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