37 Animals That Start With U

Animals That Start With U
Photo by Nick Karvounis

Do you ever wonder if there are animals that start with U? You may be surprised to learn that there are a variety of unusual creatures out there that begin with this letter! 

In this blog post, we’ll take a look at the most interesting animals that start with U. From the Ugandan Kob to the Umbrellabird; these animals are sure to fascinate you.

So let’s dive in and learn more about these incredible creatures!

1. Umbrellabird

Umbrellabird is the first on our list of animals that start with U. It is a large, tropical bird found in Central and South America. It is named for its distinctive umbrella-like crest of feathers that adorn its head. 

This crest can be raised and lowered but is usually displayed when the bird is in courtship displays or territorial disputes.

The Umbrellabird is an amazing species due to its impressive size, striking appearance, and unique behavior.

The male Umbrellabird is especially remarkable due to its loud, booming song, which is made by inflating a throat pouch.

This call can be heard up to 1.5 km away and is used to defend territory and attract mates. It is considered one of the most remarkable vocalizations among birds.

2. Urchin

The Urchin, or sea urchin, is a type of echinoderm related to starfish and sea cucumbers. It’s covered in spines that protect and help it move through the water.

The spines are filled with calcium carbonate, called pedicellariae, which helps keep them safe from predators. 

Although they look dangerous, urchins have a rather gentle nature and can add great additions to any aquarium.

They feed mainly on algae and other small creatures but can also be fed with specially formulated pellets and frozen foods.

With their distinctive shape and colorful spines, these unusual animals that start with U are sure to add a touch of fun to any home aquarium!

3. Urial

The Urial, also known as the Mouflon, is a type of wild sheep that can be found in parts of Central and Southwest Asia.

These medium-sized sheep animals that start with u have grayish-brown coats and short horns on the males. 

Urial is easily recognized by its distinctive white rump patch and black tail tufts. They inhabit mountains and scrublands, feeding on shrubs, grasses, and other plant materials. 

These animals that start with U are usually found in herds of three to twelve animals and live in large family groups during summer. During the winter, they migrate to lower altitudes to search for food.

4. Unau

The Unau, sometimes called the Two-Toed Sloth, is a small, arboreal mammal found in tropical rainforests of Central and South America. It belongs to the Megalonychidae family and is closely related to the three-toed sloth. 

It has grayish-brown fur on its body, long claws for gripping tree branches, and two sharp claws on each front foot. Unaus have poor eyesight but excellent hearing and smell. 

The Unau is a solitary animal that spends most of its time hanging upside down in the canopy of the trees. It moves slowly and rarely comes down to the ground. 

These types of animals that start with u also feed on leaves, twigs, fruits, and insects. Its nocturnal habits make it difficult to spot during the day, but it can be heard chattering at night. They are also good swimmers and can be seen swimming across rivers in search of food.

5. Uakari

The Uakari is next on the list of animals that start with U. It is a small primate that is native to the Amazon River basin in South America.

This monkey species is one of the most unusual-looking of all primates, with a very distinct bald head and bright red face. 

The Uakari can reach lengths of up to 18 inches and can weigh up to four pounds. They are mainly arboreal, meaning they prefer to live in the trees.

The Uakari primarily feeds on fruits, nuts, insects, and small reptiles. They also supplement their diet with leaves, flowers, and bark.

They are highly social animals and form family groups of up to nine individuals. Each group consists of a dominant male and several females and their offspring. Uakaris often come together in larger groups of up to 50 members to feed or rest.

6. Uromastyx

The Uromastyx is a type of lizard that is found in the dry, desert regions of Africa and Asia. These lizards are known for their impressive spines and brightly colored scales. They come in various colors, including yellow, green, and gray. 

The Uromastyx is an omnivore, meaning it eats both plants and insects. It is also able to climb trees and swim in the water. This makes it a very interesting creature to observe in its natural habitat.

The Uromastyx is a unique lizard species with many interesting behaviors. It uses its tail to balance while climbing rocks and can drop its tail as a defense mechanism if predators threaten it. 

It also spends much of its time basking in the sun to regulate its body temperature. This unique behavior makes it a great animal to observe when out in the desert.

7. Uguisu

The Uguisu is a small Japanese bird that can be found in the forests of Japan, Korea, and China. This charming little songbird is known for its melodic song, which often includes the syllables U-gu-i-su. 

The Uguisu has been around for many centuries and is considered a symbol of good luck in Japan. It’s also often seen on the sides of tea cups and other objects in traditional Japanese art. 

The Uguisu is usually a mottled brown color, with a black head, white throat and tail, and pale yellow underparts. Its bright red eyes and white eye ring stand out against its darker plumage. 

As its name suggests, the Uguisu is an adept singer and is often heard singing throughout the day in the forests where it lives.

Despite its seemingly fragile appearance, this small bird is actually quite hardy and can survive in many different habitats.

8. Uinta Ground Squirrel

The Uinta ground squirrel is also one of the animals that start with U that many people don’t know about. It is a rodent species found in the western United States and southwestern Canada.

It is unique in that it hibernates for up to seven months of the year and has the ability to climb trees, making it both an agile and resourceful creature.

The Uinta ground squirrel can reach sizes of 8 to 10 inches and is easily identified by its light brown color and reddish-brown stripes on its back. Its diet consists of various plant matter, nuts, insects, and small vertebrates.

These animals that start with U are often seen foraging for food in open fields or climbing into trees for acorns and other nuts.

9. Ultimate Shrew

The Ultimate shrew is a small, mouse-like mammal that is native to the island of Sulawesi in Indonesia. It is one of the most unusual animals that start with U worldwide. And its scientific name, Crocidura attenuata, literally translates to the very thin shrew. 

This unique mammal has a flattened head, long hind limbs, and a long snout and short tail. The ultimate shrew is only about 5 cm in length and weighs less than 6 g.

This small mammal is an omnivore, and its diet consists mainly of invertebrates like worms, snails, and insect larvae. It also feeds on fungi, seeds, and fruits. 

The ultimate shrew is known to inhabit tropical forests and savannas, but very little is known about its behavior or conservation status.

While it is considered to be of the least concern according to the IUCN Red List, further research is needed to understand better these mysterious animals that start with U.

10. Unadorned Rock Wallaby

The unadorned rock wallaby is a small marsupial native to the coastal areas of northern Australia. This curious creature has a distinctive black-and-white pattern on its fur and tufts of hair around its neck and chin. 

Its diet consists primarily of grasses and other vegetation, which it grazes on during the day. It prefers to take shelter in rocky outcrops and shallow caves, which protect it from the harsh Australian sun.

The unadorned rock wallaby is an incredibly agile species, capable of jumping great distances and rapidly changing direction. This allows it to easily navigate its rocky terrain, avoiding predators and quickly finding food. 

Unfortunately, due to habitat loss and human predation, the unadorned rock wallaby is now classified as a vulnerable species. Conservation efforts are underway to protect this remarkable animal.

11. Unalaska Collared Lemming

The Unalaska collared lemming (Dicrostonyx unalascensis) is an unusual animal that is native to the Aleutian Islands of Alaska.

This small mammal, which is related to the Arctic lemming, is only about 3 inches in size and has a black and white striped pattern along its back. 

It is highly adapted to the cold weather of its environment, with a thick layer of fur on its body and special adaptations such as its large ears and a short tail that help it retain heat.

The Unalaska collared lemming lives in shallow burrows under the snow and fed mainly on grasses, mosses, and lichens found in the tundra.

It is known for its solitary lifestyle, as it prefers to live alone in its burrow and is rarely seen out in the open. 

Unfortunately, due to its isolated habitat, very little is known about this animal, and its population is declining rapidly.

Conservation efforts are underway to help protect this species and ensure its survival for future generations.

12. Underwood’s Bonneted Bat

The Underwood’s bonneted bat is a species of bat that is endemic to Cuba. It is one of the largest bats in the Caribbean, with a wingspan of up to 15 inches and a body length of up to 4 inches. 

The Underwood’s bonneted bat is an insectivore, meaning it primarily feeds on insects. Its diet also consists of pollen, nectar, and fruit. Due to its limited range, Underwood’s bonneted bat is considered critically endangered. 

Its population has decreased significantly since its discovery in the 1970s due to human activities such as deforestation and habitat destruction.

Conservation efforts are being made to protect this species, including habitat protection and educational initiatives.

13. Unicolored Arboreal Rice Rat

The Unicolored Arboreal Rice Rat (Oecomys bicolor) is a rodent species in South America. This rat has a unique coat pattern of creamy white fur over its back and upper sides, while its underside and legs are darker grays. 

It can reach a length of up to 18 centimeters, and its tail can be up to as long as 17 centimeters. This species is found mainly in the dense rainforest habitats of Brazil, Colombia, Peru, and Venezuela. 

They live in tree hollows or leaf litter on the forest floor, but they also venture out to search for food during the day.

Their diet consists of fruits, seeds, and insects. These animals that start with U are also known to eat the eggs of other animals.

14. Unicolored Oldfield Mouse

The unicolored oldfield mouse is also an unusual animal that starts with U. Its small size and nocturnal nature make it a rare sight to most people, but it’s found across the south-central United States. This mouse is characterized by its thick fur coat of brownish grey, and its ears and tail are black.

These animals that start with u feed on insects, fruit, and seeds and can live up to two years in the wild. Although they can survive cold temperatures, they tend to hibernate during winter. 

Their burrows are typically found near bodies of water, like ponds or marshes. They also make small mounds of dirt, which they use as lookout points.

15. Unicolored Tree Rat

The unicolored tree rat is next on the list of unusual animals that start with U. Native to Central and South America, these rats are active mainly during the night and enjoy a diet of fruits, nuts, and seeds. 

They live in tree canopies of tropical and subtropical forests but sometimes venture down to the ground for food.

Unicolored tree rats have soft grey fur with a white underside and are characterized by their black facial mask.

The fascinating feature of unicolored tree rats is their opposable thumbs. With them, they can easily hold onto tree branches and bark, giving them a better grip when searching for food. 

This species also has a long tail that helps them balance when climbing trees. Unfortunately, the unicolored tree rat is currently listed as vulnerable due to deforestation.

16. Unstriped Ground Squirrel

The unstriped ground squirrel is one of the most unusual animals that start with U. This small rodent is native to northern Africa, and its scientific name is Atlantoxerus getulus. 

This species of ground squirrel has a unique body shape and size compared to other ground squirrels, and their fur is light brown in color without any stripes or markings.

The unstriped ground squirrel prefers to live in wooded areas, such as scrubland and low mountain slopes. 

These animals that start with U are mostly active during the day, foraging for food and scurrying about in search of shelter.

They typically feed on nuts, seeds, leaves, and insects, although they may occasionally supplement their diet with carrion.

Despite their small size, these creatures are surprisingly hardy and can survive in harsh climates.

17. Ural Field Mouse

The Ural field mouse (Apodemus uralensis) is a small rodent that can be found throughout Central and Eastern Europe.

It is a part of the family Muridae and is a type of vole. They have a grayish-brown fur coat and a white underside, and their tail is usually darker than their body. 

The Ural field mouse tends to live in grassy areas, such as fields and meadows, but can also be found near wooded areas. 

Ural field mice are primarily active at night and feed on various plant and animal matter. These include fruits, nuts, grains, and insects. Ural field mice can cause damage to agricultural crops, so they are often considered pests.

As with other rodents, they can also carry disease, so keeping them away from homes and other populated areas is important.

18. Urartsk Mouse-Like Hamster

The Urartsk mouse-like hamster is a rodent species native to Armenia and Azerbaijan. It is a small, mouselike animal with reddish-brown fur and a long, black and white tail. 

The Urartsk hamster is an omnivorous species, eating various fruits, vegetables, insects, and other small animals. They are nocturnal, living in underground burrows during the day and coming out at night to forage.

The Urartsk mouse-like hamster is currently listed as endangered due to habitat loss and degradation. As they prefer open grassland habitats, they have been particularly affected by deforestation and agricultural development.

Conservation efforts are being made to protect these rodents and their natural habitats to prevent their further decline.

19. Usambara Shrew

The Usambara shrew is next on the list of animals that start with U. It is a small mammal that is native to Tanzania in East Africa. 

It is a unique species of shrew that is characterized by its black fur and pointed muzzle. Its size is around 10 centimeters, making it one of the smallest mammals in the region.

The Usambara shrew is an omnivorous species that feed on plant matter and small insects. It can live in small crevices and under logs or rocks, as it prefers to stay hidden from its predators. As it is nocturnal, it is also rarely seen during the day.

20. Ussuri Shrew

The Ussuri shrew is an interesting animal that starts with U. It is found in parts of eastern Russia, China, and North Korea. This small mammal has a long, pointed snout and a body length of 3 to 5 inches. 

These animals that start with u furs are typically dark brown or black, and their eyes are small and beady. The Ussuri shrew is nocturnal and feeds primarily on small insects like beetles, moths, spiders, and centipedes. Its sharp claws and teeth help it to grab and eat its prey quickly. 

In addition to insects, the Ussuri shrew eats plant material and fungi. Its high metabolic rate requires it to consume food more often than other mammals.

21. Ussuri Tube-Nosed Bat

The Ussuri tube-nosed bat (Murina ussuriensis) is a species of bat native to the East Asian region. It is found in China, Japan, Korea, and Russia. This species has a unique nose shape that makes it stand out among other bats.

The Ussuri tube-nosed bat has a long snout with an upturned tip that gives it its name. Its wingspan measures up to 8.7 inches, and its fur is grayish-brown in color. 

The Ussuri tube-nosed bat is a nocturnal species that are active mainly at night. It feeds on insects like moths, beetles, and flies. They are also known to consume fruit, pollen, and nectar. 

Their habitat consists of caves and rocky cliffs near water sources. They typically live in colonies of up to 50 individuals.

The Ussuri tube-nosed bat is listed as near threatened by the IUCN due to its declining population numbers.

22. Utah Prairie Dog

The Utah prairie dogs are also one of the unusual animals that start with U. This small rodent is native to the Great Basin region of Utah and is known for its characteristic chirping sound. Its fur is brownish-gray, and it has short legs and ears. 

The prairie dog lives in colonies ranging from a few individuals to several hundred. In addition to its vocalizations, the Utah prairie dog communicates through body language.

When they sense danger, they stand on their hind legs, giving them a better vantage point to survey their environment. 

They also have a system of alarm calls that alert other colony members if predators are present. They are an important species in their local ecosystem, providing food for many predators, including raptors and coyotes.

23. Udzungwa Partridge

The Udzungwa Partridge is an unusual bird that is found in the tropical rainforests of Tanzania and Mozambique. This partridge has a unique color pattern that features striking yellow, black and white plumage. 

It can also be identified by its loud, metallic call, which it makes during mating season. The Udzungwa Partridge is known to inhabit dense forest habitats and is usually seen in pairs or small groups.

The Udzungwa Partridge is an important species in the region as it helps disperse the seeds of trees, increasing the area’s biodiversity and providing food for other wildlife.

Unfortunately, its numbers have been steadily decreasing due to habitat loss and fragmentation. Conservation efforts are underway to ensure the survival of this beautiful and important bird.

24. Uguisu

Uguisu is a type of songbird that is native to East Asia. Its scientific name is Pycnonotus jocosus, and it’s also known as the Japanese Bush Warbler or Japanese Nightingale.

This small bird has a greyish-brown body and a white face with a yellow throat patch. The underside of its tail feathers has black and white stripes.

Uguisu is a vocal bird that is known for its unique singing voice. It often sings late in the evening and early in the morning.

In Japan, Uguisu is considered an auspicious animal that is believed to bring luck and good fortune. It is one of the four traditional birds of Japan, and it’s featured on coins and stamps. 

In Japan, this bird is sometimes kept as a pet in cages, but its songs are often recorded and enjoyed without capturing the bird. Uguisu is a fascinating animal that can add beauty to the natural environment.

25. Uganda Clawed Frog

Uganda clawed frog (Xenopus tropicalis) is an unusual amphibian that originates from the African nation of Uganda. It is a medium-sized species of clawed frog with a body length of around 5 cm and a weight of 6-12 grams. 

It has distinctive orange or yellow coloration, which sets it apart from other frog species. The hind limbs have a distinctive claw, which is used to grab prey and for movement. 

This frog species is a nocturnal creature living in still waters such as ponds and slow-moving rivers. During the day, they stay hidden amongst vegetation or at the bottom of ponds and pools. 

But, at night, they emerge to hunt for small invertebrates such as insects, crustaceans, and mollusks. They tolerate various temperatures and can survive even in polluted waters.

26. Uluguru Blue-Bellied Frog

The Uluguru Blue-bellied Frog (Cacosternum uluguruense) is an unusual species of frog that is endemic to the Uluguru Mountains in Tanzania.

It is a relatively small frog, reaching up to 2.5 cm in length, and its bright blue belly stands out against its olive-green back. 

This species is listed as endangered on the IUCN Red List due to its narrow range and potential habitat loss and pollution threats.

The Uluguru Blue-bellied Frog can be found in shallow marshes and grassy areas near streams, which provide it with plenty of cover from predators. It is an active hunter and feeds mainly on small invertebrates such as insects and spiders. 

The frog also lays its eggs in stagnant pools, hatching into tadpoles and eventually becoming adults. Conservation efforts are ongoing to protect this unique species from extinction.

27. Umar Treefrog

Next on the list of animals that start with U is Umar Treefrog. The Umar Treefrog is a fascinating species of frog that is native to South America.

This little amphibian is part of the Hylidae family and can be found in the tropical rainforests of Brazil, Peru, and Colombia. 

The Umar Treefrog’s most distinguishing feature is its colorful markings, which range from blue-green to yellow-green. It typically grows up to 4.5 centimeters in length and has a lifespan of up to 10 years.

The Umar Treefrog is nocturnal and feeds on insects during the night. It is known to be an excellent climber and can often be seen scaling the trunks of trees. 

The species is also very shy and usually retreats from humans. Conservationists are currently monitoring the Umar Treefrog’s population to ensure that it continues to thrive in its natural habitat.

28. Upland Chorus Frog

The upland chorus frog is an unusual species of animals that start with the letter U. These upland frog animals that start with u are typically found in the Midwestern United States, where they inhabit marshes, wet meadows, and woodland ponds. 

The upland chorus frog is notable for its distinctive call, which can be heard during the breeding season. Its call is a loud, chirping sound that is reminiscent of the sound of jingling bells. 

This frog species is also often seen hopping along on land and can be identified by its tan or light-brown back and white underbelly. It is an excellent swimmer and is known to take refuge in mud when it feels threatened.

29. Usambara Blue-Bellied Frog

The Usambara Blue-bellied Frog is a species of frog that is endemic to the Usambara Mountains in Tanzania.

This frog can grow up to 2.5 centimeters and is characterized by its blue belly and black upper body with yellow patches. 

It is also notable for its loud, reverberating call, which has been described as ribbits or rek-rek-reks. The Usambara Blue-bellied Frog is listed as an endangered species due to its limited range and potential for habitat destruction. 

It is estimated that there are only around 500 individuals left in the wild. Therefore, it is important to conserve this species so that future generations can experience the beauty of these frog animals that start with U in their natural habitat.

30. Usambara Torrent Frog

The Usambara Torrent Frog (Arthroleptis usambaricus) is next on the list of unusual animals that start with U. This frog species is endemic to the Usambara Mountains of Tanzania and is threatened due to habitat destruction and exploitation. 

It is known for its unique appearance and behavior, characterized by bright red eyes and a single large toe pad on each foot.

The Usambara Torrent Frog is an amphibious creature that lives in fast-flowing streams and rivers. It breeds in these areas, laying eggs that are then carried away by the strong currents. 

The species has adapted to this harsh environment by developing strong suction cups on their toes which help them cling to rocks and other submerged objects. This allows them to feed on small insects and other aquatic prey.

31. Uaru Cichlid

The Uaru Cichlid is an unusual freshwater fish found in South America. It has a stunning yellow and green body with bright orange fins, making it a beautiful addition to any aquarium. 

These animals that start with U can grow up to 12 inches in length, making them quite large for aquarium fish.

Uaru Cichlids are peaceful and social animals, so they should be kept in at least four groups. These omnivores feed on crustaceans, small insects, and plant matter.

They require plenty of rocks and plants to hide in to feel secure and a sandy substrate for them to forage through for food. 

A good filtration system and regular water changes are also essential for the health of these animals that start with U.

The Uaru Cichlid is a unique and interesting fish that can bring much-needed color to any aquarium!

32. U-Spot Wrasse

The U-spot wrasse is an unusual fish species that gets its name from its unique spot on its tail. This spot looks like a U and can be used to identify the species. 

The U-spot wrasse is native to the warm waters of the Indian Ocean, and its diet consists of small fish and invertebrates.

They are also quite colorful, with bright orange and yellow stripes along their bodies. These fish can reach up to 7 inches in length, making them the largest of all wrasses.

Regarding behavior, U-spot wrasses are quite active and can be seen swimming around in large groups. They also lay their eggs on the sea bed, where divers can collect them. 

These fish animals that start with U make for interesting underwater observations, as their unique spot makes them easy to identify.

In addition, they have a fascinating social structure, as they are often seen traveling in schools of other species of wrasses.

33. Ukrainian Brook Lamprey

The Ukrainian brook lamprey (Eudontomyzon mariae) is a species of lamprey native to Eastern Europe, primarily found in the Dnieper and Dniester river systems.

It is an anadromous fish, meaning it spends its early life in freshwater and migrates to the sea in adulthood. 

The species is usually between 10 and 20 centimeters long and has a greenish-gray body with black markings. 

Unlike other lamprey species, the Ukrainian brook lamprey feeds on invertebrates rather than fish blood. This allows it to live in smaller, less oxygenated waters and is why it is so prevalent in Eastern European river systems.

It also provides an important food source for larger fish and waterfowl, making it an important part of the local food web.

34. Ulrey’s Tetra

The Ulrey’s tetra is an unusual-looking species of fish that is native to the Amazon River basin. This fish, also known as Hoplias malabaricus, is usually found in slow-moving waters such as lakes and swamps. 

This species has a silver body with black spots scattered around its fins and tail. It has a large, protruding mouth and eyes that are set close together on either side of its head.

The Ulrey’s tetra is a schooling fish, so they tend to be seen in groups swimming around together. They feed mainly on insects and small crustaceans near the water’s bottom. 

They may also eat smaller fish as they age, making them an important predator in the food chain. These animals that start with U can reach up to 15 inches in length and live for up to five years in the wild.

35. Umatilla Dace

The Umatilla dace (Rhinichthys osculus) is a species of fish native to North America. It is found in the Columbia and Snake River basins and parts of the Willamette and Yakima Rivers. 

This fish can grow to be up to 3 inches long and is known for its orange-brown coloring, with two black spots on its back. The Umatilla dace is a very hardy species that can survive in various temperatures and habitats.

Though not well known, the Umatilla dace has recently become popular in the aquarium trade. Its small size and bright coloring make it an attractive fish for aquarists. 

The Umatilla dace is relatively easy to care for and is an ideal choice for beginners. These fish can live up to 10 years in captivity with proper care.

36. Umbee Cichlid

Next on our list of animals that start with U, The Umbee Cichlid is an unusual fish that is native to the Pánuco River Basin in Mexico. It’s an impressive-looking fish, with its bright yellow and black stripes and long, flowing fins. 

The Umbee Cichlid has become increasingly popular among aquarium owners for its hardiness and friendly nature.

It prefers to live in water temperatures of around 75°F and a pH of 6.5-7.5. It is a peaceful species and can be kept with other tank mates without difficulty. 

Although it may be somewhat more challenging than some of the other animals that start with U on the list, the Umbee Cichlid is a rewarding species to keep.

With the right tank setup, care, and diet, it can live up to 10 years in captivity! As they grow older, they will start to exhibit interesting behaviors, making them a great addition to any aquarium.

37. Umbrella Cichlid

Lastly, on our list of animals that start with U is The umbrella cichlid (Jekyllochromis fasciatus). It is a freshwater fish native to Lake Malawi in East Africa.

It has an elongated shape and a golden-yellow body with a broad black stripe running from the nose to its tail. 

This cichlid species can grow up to 4.3 inches in length, making it one of the larger cichlids in Lake Malawi. The umbrella cichlid feeds on various invertebrates, including mollusks and insect larvae. 

In addition, it also consumes algae and other plant matter. While this species is not considered a good companion for other types of cichlids, it can be kept with other peaceful fish species that are of similar size.

The umbrella cichlid is an active species that should be provided with plenty of open swimming space.


Do you ever find yourself curious about the world of animals that start with U? Are you looking for something unique and interesting? Look no further than this blog post!

Here, we have explored unusual animals that start with U. From the Uakari to the Uromastyx; we hope you are amazed at the variety of creatures found in the animal kingdom. 

Notify of

Inline Feedbacks
View all comments
You May Also Like