animals that start with u

Uakari Taxonomy and Evolution The Uakari are small monkeys native to the rainforests of South America, where they tend to be found in moist jungles near water. Uakari are known for their bare faces, which usually range in color from pink to deep red. There […] read more

Uaru cichlids change color during the spawning season. Summary The Uaru cichlid is a freshwater fish native to the upper Orinoco and Amazon basins of South America. This fish is popular for its unique triangular shape and color, which is different from other fish in the cichlid family. Although native to South America, you […] read more

Classification and evolution The natural range of this rather small bird is found in East Asia. Uguisu can be found in China, Japan, Korea, Manchuria, Philippines and Taiwan. A relative of nightingales, bush tits, and other small songbirds, it is also known as the Japanese nightingale due to its […]

"Mountain Chowder" This little ground squirrel, also known as chisel or chowder, knows how to dry grass when the sun is shining. For nine months of the year it sleeps in its burrow in one of the four mountains where it lives. When the weather gets too hot, it estivates, that […] read more

Uintatherium Description and Size Uintatherium was an unusually large and ugly ungulate that lived during the Eocene period, 56 to 34 million years ago. It stood approximately 5.6 feet tall at the shoulder, 13 feet long, and weighed over 4,000 pounds or over 2 tons. It has sturdy legs […] read more

Umbrellabirds have an umbrella-shaped crest on top of their heads (hence their name) and a tube-like inflatable pouch at their throats. They are the largest perching bird (passerine) in South America, but their numbers are currently in decline due to habitat loss. Taxonomy and evolution Umbrellabirds are a large tropical species […] read more

Unau, also known as Linnaeus the two-toed sloth, is considered the slowest mammal in the world. The sloth species is found in South America. It is nocturnal and lives in trees in tropical and subtropical rainforests, where the climate is hot and humid and there are many vines. There is a taupe […] read more

Catocala, also known as underwing moth, is a moth with bark-like forewings and very bright underwings. They are common in North America, Asia, and Europe, and are known for their unique camouflage in environments and their ability to keep away from predators by flashing their hind wings. 5 Incredible Facts About Moths Under Wings […] read more

"These shorebirds prefer open, rural habitats with high grass over the usual coastal environment of sandpipers." Summary Highland sandpipers (Bartramia longicauda) are native to North and South in the grass. It spends its days walking among the vegetation, picking up insects, seeds and […] read more

Ural owls can be found in some of the coldest climates in Eurasia. The nocturnal bird is named after the Ural Mountains, which are often considered the dividing line between Europe and Asia. However, its scope is not limited to the Ural Mountains. The species is actually found throughout northern Eurasia, using its […] read more

Penis Fish Summary Urechis unicinctus, also known as the penis fish, is a marine spoonworm found throughout East Asia. It feeds on tiny organic matter and burrows in sand and mud. At times, large numbers of people can be washed ashore and stranded on beaches. They are a popular delicacy in Korea, China, and Japan. […] read more

Urials are wild sheep that originated in Asia. They are a nearly ancient breed of sheep from which domesticated sheep are descended. They are endangered due to predation and human activities such as poaching, grazing, and loss of range and habitat. Fact Lambs and their mothers communicate through scent. They can […] read more

Uromastyx lizards are by no means boring, they have many unique characteristics. They have large, pointed tails for protection, and come in different colors and patterns guaranteed to catch anyone's eye. Lizard breeders keen on exotic animals will look for thorntail lizards. Facts that thorntail lizards have nasal glands that remove salt from the salty desert […] read more

Urutu snakes are aggressive rattlesnakes whose venomous bite can cause severe tissue damage and even death. The Urutu snake, also known as yarará grande, wutu, and cross pit viper, is native to tropical rainforests and humid regions of Brazil, Argentina, Paraguay, and Uruguay. They are highly venomous vipers of the genus Bothrops, […] read more

Utonagans are very affectionate and gentle, making them excellent family pets. The Utonagan is a relatively new dog breed. It was developed in the 1980s by Edwina Harrison, who wanted to create a dog that resembled a wolf but was still as good-natured and sweet as other domestic dogs. Utonagan is a crossbreed […] read more