59 Unusual Animals On Earth That You Probably Don't Know Of

Kiwa hirsuta, or "yeti crab" is a crustacean notable for the quantity of silky blond setae covering its thoracic legs, including claws. It lacks pigment and has reduced eyes, which is why it's thought to be blind.

Sri Lanka frogmouth is found in the Western Ghats of south India and Sri Lanka. A nocturnal bird, Sri Lanka frogmouth has a wide and hooked bill with slit-like nostrils and a large head with eyes facing forward to provide a wide field of binocular vision.

Native to Colombia, the long-wattled umbrellabird is a frugivorous bird. The male is distinguished by a large throat wattle of feathers, while females and juveniles have no or a much smaller wattle.

A medium-sized marine mammal, Dugong is the only sirenian in its range, which spans the waters of some 40 countries and territories throughout the Indo-West Pacific. They are considered as the inspiration for mermaids. The dugong's body is large with a cylindrical shape that tapers at both ends.

This one is the largest of the existing isopods. They're a good example of deep-sea gigantism, as they are far larger than the "typical" isopods that are up to 5 centimetres (2.0 in).

Native to Madagascar, aye-aye is the world's largest nocturnal primate. The most defining characteristic is aye-aye's way of feeding; the aye-aye taps on trees to find grubs, then gnaws holes in the wood using its forward slanting incisors to create a small hole in which it inserts its narrow middle finger to pull the tasty treat out.

Cantor's giant softshell turtle is a freshwater turtle that lives in Southeast Asia. It is relatively unstudied and considered endangered species. The turtle has a broad head and small eyes close to the tip of its snout and spends most of the time buried and motionless, resurfacing only twice a day to breathe.

Named for its fluffy plumage that feels like silk, the silkie is a breed of chicken known for its unusual qualities like black skin and bones, blue earlobes, and five toes on each foot, where most chickens only have four. They are among the most docile of poultry, having a calm, friendly temperament.

Found in Africa, Gerenuk is is a long-necked antelope with a long, slender neck and limbs. Also known as giraffe gazelle, the animal spends most of the day foraging and feeding.

Found in Europe and Mongolia, the buff-tip is a quite large moth that resembles a broken twig when resting. Buff-tip's hindwings are creamy-white.

Native to Asia, snub-nosed monkeys get their name from the short stump of a nose on their round faces, with nostrils arranged forward. They have a multicolored and long fur and grow up to 51 to 83 cm tall.

Native to Africa, the aardvark is a medium-sized, burrowing, nocturnal mammal that has a long pig-like snout, which it uses to sniff out food. It feeds on ants and termites, which it will dig out of their hills using its sharp claws and powerful legs.

Also known as the sand puppy, the naked mole-rat is a burrowing rodent found in parts of East Africa. Thanks to its unusual set of physical traits it thrives in a harsh underground environment and is the only mammalian thermoconformer, almost entirely ectothermic (cold-blooded) in how it regulates body temperature. The naked-mole rat lacks pain sensitivity in its skin, and has very low metabolic and respiratory rates.

Found in India, this species of frog has bloated body and an unusually pointy snout. The frog spends most of its life underground and surfaces only during the monsoon, for mating.

Thorny devil, also called thorny dragon is a lizard found in Australia. The lizards are coloured in camouflaging shades of desert browns and tans that change from pale to dark depending on the season. In addition to sharp spikes that cover its skin, thorny devil also has a fake head that it presents when threatened.

Also known as a deer-pig, babirusa is a type of swine found in Indonesia. They are most notable for large upper canines in the males that can grow up to 40cm long.

The sea lamprey is a parasitic lamprey that lives in the Northern Hemisphere. Its mouth is jawless, round and sucker-like, with sharp teeth arranged in many circular rows.

Umbonia spinosa is a type of thorn bug, native to South America. They use their beaks to pierce plant stems to feed upon their sap.

The warty frogfish is also known as clown frogfish and has a globulous, extensible body, and its soft skin is covered wart-like protuberances. Their large mouth allows them to consume prey as big as their own bodies.