Read below for information on 19 different animals beginning with o, from ocelot to oyster. The most popular animal that starts with the letter O is the ocelot, a small cat also known as the painted leopard. The least popular O animal is the orangutan. Some can grow to be up to 200lbs, making them one of the largest primates in the world. Some fun facts about letter O name animals are:

  • Opossums are believed to be immune to some snake venom
  • With males growing over 9 feet tall, ostriches are the world’s largest bird
  • Otters hold hands while sleeping to avoid drifting apart while in flowing water

Animals that start with the letter O

animals beginning with o! On this interesting page, you’ll find a list of amazing animals that start with O in English. Here is the useful list with a photo and fun facts of them.

List of famous Animals that start with the letter O Pictures & Facts

Below is a helpful list of animals starting with O.

Ocelot
Octopus
Okapi
Old English Sheepdog
Olive Baboon
Olm
Opossum
Orang-utan
Orange-Crowned Warbler
Orb Weaver
Ortolan Bunting
Oscar Fish
Ostrich
Otter
Otterhound
Owl
Ox
Oyster
Oyster Toadfish

Ocelot

Fun Fact: Also known as the Painted Leopard!

Ocelot Classification and Evolution The Ocelot is a medium-sized small cat that is native to the jungles of South America. The Ocelot is also known as the Painted Leopard due to the beautifully distinctive markings on its fur as it displays dark rosettes, along with spots and stripes.

Octopus

Fun Fact: There are around 300 different species!

The octopus holds the distinction of being the most intelligent of all invertebrate animals. With the highest brain-to-body-mass ratios of all invertebrates – higher even than those of some vertebrates – the octopus is regarded as the smartest of all invertebrate animals.

Okapi

Fun Fact: Eats more than 100 different types of plant!

Okapi Classification and Evolution The Okapi is an elusive, herbivorous animal that is found in a small pocket of tropical mountain forest in central Africa. Despite its Deer-like appearance the Okapi is actually one of the last remaining ancestors of the Giraffe, which is the tallest animal on Earth.

Old English Sheepdog

Fun Fact: Intelligent, sociable, and playful!

With its big shaggy coat, obscured eyes, and white and gray color scheme, the Old English Sheepdog is one of the most recognizable breeds in the world. Its very appearance seems to radiate friendly and approachable energy. This breed originated at some point in the 19th century from the region of Cornwall in southwestern England.

Olive Baboon

Fun Fact: Olive baboons will sometimes form strong friendships with each other

“The olive baboon forms one of the most complex social structures in the animal kingdom.” This baboon is a type of old-world monkey (a monkey species from the Eastern Hemisphere) that roams across various habitats of Africa. They have numerous adaptations to help them survive and thrive in different environmental conditions.

Olm

Fun Fact: Inhabits dark underwater caves

“The longest-lived amphibian, the olm can live to be 100 years old!” One of the most fascinating creatures in a world full of fascinating creatures, the olm, like its distant relative the axolotl is a completely aquatic salamander, with gills and tailfins.

Opossum

Fun Fact: Thought to be immune to certain snake venom!

Opossums hold the distinction of being the only marsupial that lives in the United States and Canada! Throughout much of United States history, opossums were animals that were widely hunted and consumed by people.

Orang-utan

Pongo pygmaeus, Pongo abelii, Pongo tapanuliensis

Fun Fact: Shares 97% of its DNA with humans!

Orang-utan Classification and Evolution The Orang-utan is one of the largest primates in the world and is the only member of the Great Ape family that is found outside of Africa. There are three species of Orang-utan found in the steamy jungles on the islands Borneo and Sumatra which are the Bornean Orang-utan.

Orange-Crowned Warbler

 

Fun Fact: Often mistaken for the Tennessee Warblers, which are equally dull.

The orange-crowned warbler is a unique songbird who primarily lives in the western hemisphere. This bird has a high-pitched trill for a song, and males even have different songs to differentiate them from each other. Both parents take care of the young, though only the mother incubates the eggs for just under 2 weeks.

Orb Weaver

Fun Fact: Females are about four times the size of males

The Orb Weaver is a spider commonly found outside homes, in hedges, tall grasses, and trees. They are a helpful predator who feeds off the pest bugs we don’t like, such as mosquitoes, beetles and other bothersome flying insects.

Ortolan Bunting

Fun Fact: The tradition of hiding your face with a napkin or towel while eating this bird was begun by a priest who was a friend of the great French gastronome Jean Anthelme Brillat-Savarin.

“The Ortolan Bunting is The Little Bird That is Forbidden Food” Of all the weird gastronomic traditions humans indulge in, eating this inoffensive little bird is one of the weirdest and frankly, one of the cruelest.

Oscar Fish

Fun Fact: The Oscar fish has teeth in its throat!

“An Intelligent and companionable fish.” People who own Oscar fish might have bought one or two for their beautiful colors, but soon they’re surprised to see that the fish has a personality. They’ll notice their pet Oscar seems to be watching them as they go about their business.

Ostrich

Fun Fact: The largest bird in the world!

The ostrich is among the largest types of birds in the world. The ostrich bird looks like an unusual chimera cooked up in a lab. When writing about the ostrich, the Greek philosopher Aristotle did not know whether to classify it as a bird or a mammal.

Otter

Fun Fact: There are 13 different species worldwide

“Giant otters are notorious chatterboxes“ Just like many people, there are giant otters that are considered chatterboxes for their species. Though they can’t form words, they have a vocabulary that consists of 22 recognizable noises. Each noise is used to address a different type of situation.

Otterhound

Fun Fact: Otterhounds have webbed feet making them great swimmers!

Otterhounds have webbed feet and are expert swimmers! The history of this shaggy dog dates all the way back to 14th century England. These dogs were bred to hunt otters and remove them from streams and lakes. This is so otters couldn’t steal the fish away from fishermen in the area.

Owl

Fun Fact: The owl can rotate its head some 270 degrees

Owls are exceptional hunters that can spot potential prey from up to half a mile away. The owls are a diverse group of animals that belong to their own separate order. There are more than 200 recognized species all around the world.

Ox

“The ox is the heavy-duty machinery of the animal world.” This animal, for the most part, is a domesticated animal. As huge mammals, these creatures once moved in herds. Considered cattle, they transverses North America, India, Asia, Australia, and Africa.

Oyster

Fun Fact: Can process up to 10 litres of water an hour!

Oysters make up a family of a large number of salt-water bivalve mollusks. Oysters are marine animals that are often found in brackish habitats. They are very irregular in shape and the valves of some are highly calcified. They belong to the phylum Mollusca.

Oyster Toadfish

Fun Fact: The oyster toadfish can produce poison to protect itself

“The oyster toadfish is also known as the ugly toad.” The oyster toadfish is a strange-looking (some may even say ugly) fish that makes its home in the secluded holes and hiding spots along the shore of the eastern United States.

Ocelot

Also known as the Painted Leopard!

Old English Sheepdog

Intelligent, sociable, and playful!

Newest Animals that Start with the Letter O

The most recently added Animals that start with the letter O.

Orange-Crowned Warbler

Often mistaken for the Tennessee Warblers, which are equally dull.

Ortolan Bunting

The tradition of hiding your face with a napkin or towel while eating this bird was begun by a priest who was a friend of the great French gastronome Jean Anthelme Brillat-Savarin.

Owl

The owl can rotate its head some 2

Animals that Start with O Examples

  • Ocelots, jaguars, otters, tapirs, harpy eagles, and other endangered species survive there.
  • The octopus has a poison gland that it uses for killing its prey.
  • The okapi is a short-necked primitive cousin of the giraffe.
  • The Old English Sheepdog originates in Europe where it herded sheep.
  • We had rabbit and squirrel, too, anything but opossum.
  • The large size and wide-ranging habit of the orangutan make it especially vulnerable to devastation in tropical rainforests.
  • I suppress an evil wish that an orca will be drawn in by this moving lunchbox of an animal.
  • Oriole is a bird that has black and yellow feathers.
  • Do you know the black oropendola, or the goldfinch, Tengmalm’s owl that lives in a forest of spruces?
  • Oryx and ibex are scarce, but they are there.
  • Species like the bald eagle, peregrine falcon, and osprey nearly disappeared.
  • The ostrich is the fastest animal on two legs.
  • As indeed is the lion, the otter, or the domestic cat when they are out a-hunting.
  • This type of owl prefers a desert habitat.
  • Can you tell an ox from a cow?
  • I enjoy eating oysters; they’re really delicious.
  • Almost a big as an oystercatcher, it is all white with black on the wings and back.

 

 

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