Are these the world's ugliest mammals? - Some of the animals in this gallery are without doubt some of the ugliest you will ever have seen. A lot of them aren't even dangerous or threatening, they just look totally alien.

From deformed noses to faces that look like an otherworldly horror movie monster, here are the ugliest mammals in the world. Check it out!

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Saiga - Saiga are a species of antelope which are dangerously close to extinction. Though rare, they can be seen in the deserts of Kazakhstan and Mongolia.

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Philippine tarsier - Colloquially known as a mawmag, these animals have strange and hypnotic eyes! You can find them in the Philippines, particularly on the islands of Samar, Leyte, Bohol and Mindanau.

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Meishan pig - This kind of pig is from the Taihu family, native to China, near Lake Taihu.

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Uakari - Weird, right? You could also say it's one of the most distinct animals out there with its red face, little facial hair and short tail. They can be found in the northeast of the Amazon.

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Pied tamarin - This primate can be found in parts of Manaus, Rio Preto da Eva and Itacoatiara, in the Amazon. They are in risk of becoming extinct.

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Flying fox - Also known as fruit bats, this is the largest species of bat in the world.

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Aardvark - This strange species can be found on the plains and savannas of the south of Africa.

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Snub-nosed monkeys - Found in the forests of south China, this species of primate has one of the strangest noses in the animal kingdom.

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Echidna - These animals live in New Guinea and Australia and along with Platypus are the only mammals that lay eggs.

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Sam the Chinese crested dog - Sam won the title of world's ugliest dog three years in a row but died in 2005 from health problems.

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Solenondon - They were discovered in 1861 and since then only 36 of this animal have been caught. They are the only mammals whose saliva is venomous.

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Sloth - Sloths are loved by some and hated by others. They also have things like fungi, beetles and algae living in their fur.

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Leaf-nosed bat - These species are found in tropical and subtropical regions of the Americas and its main defining characteristic is pretty obvious. This truly looks like something from a horror film.

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Baird's tapir - These tapirs are native to Central America and are known to be aggressive to humans.

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Warthog - They were much cuter in 'the Lion King,' right? The name warthog comes from the wrinkles on its face.

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Elephant seal - The name elephant comes from their elongated noses. This species of seal can stay underwater for 80 minutes without coming up for breath.

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Sphynx - This is one of the most simultaneously loved and hated animals in the world. These hairless cats have a lot of fans around the world.

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Tasmanian devil - The Tasmanian devil is in danger of extinction and can only be found in Tasmania.

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Star-nosed mole - There's no denying it, this animal's nose makes it one of the ugliest in the world.

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Aye-aye - Found in Madagascar, this animal is often killed by locals who see it as a bad omen, thus making it an endangered species.

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Naked mole-rat - Found in Somalia, Ethiopia and Kenya, this animal spends almost its whole life underground.

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Proboscis monkey - Only the males of this species have the nose, but it is their defining feature.

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Wombat - Wombats are nocturnal marsupials who leave little presents wherever they go: cube-shaped feces.

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Hippopotamus - Everybody knows what a hippo is, but really these herbivores really look like giant swimming pigs.

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