Animals that Start with O: Names of 25 Animals Starting with O

Below you’ll find an alphabetical list of animals that start with o. An interesting fact was included with each animal so that you can get a better understanding of their unique characteristics.

Animals that Start with O

List of Animals Starting with O

  • Oarfish
  • Ocellaris Clownfish
  • Ocelot
  • Octopus
  • Oilbird
  • Okapi
  • Old English Sheepdog
  • Olive Ridley Sea Turtle
  • Olm
  • Opossum
  • Orangutan
  • Orb Weaver
  • Orca
  • Oriole
  • Ornate Chorus Frog
  • Ornate Hawk-Eagle
  • Oryx
  • Osprey
  • Ostrich
  • Otter
  • Owl
  • Owl Butterfly
  • Ox
  • Oyster
  • Oystercatcher

Animals that Start with O | Interesting Facts & Pictures

Oarfish

The world’s longest bony fish that eats tiny plankton.

OarfishPin

Ocellaris Clownfish

Clownfish are born male, but they have the ability to turn into a female. This fish is found in reefs and lagoons near Australia and Southeast Asia.

Ocellaris ClownfishPin

Ocelot

A wild cat that is found in the forests of South America and southern North America. This creature hunts small mammals, birds, and reptiles.

OcelotPin

Octopus

They have three hearts and blue blood. Since they have no bones, they can squeeze into tight spaces.

OctopusPin

Oilbird

This bird uses echolocation to find its way within the caves where it roosts and nests from Trinidad/Guyana to Bolivia.

OilbirdPin

Okapi

These creatures belong to the giraffe family. Their tongue is long enough to clean its eyes and ears.

OkapiPin

Old English Sheepdog

When this dog breed first came to the United States, it was a common pet for a wealthy person.

Old English SheepdogPin

Olive Ridley Sea Turtle

Able to sleep underwater for two hours before coming up for air.

Olive Ridley Sea TurtlePin

Olm

This aquatic salamander has translucent skin.

OlmPin

Opossum

Due to their low body temperature and immune systems, it’s rare for one to carry rabies.

OpossumPin

Orangutan

The two species of orangutans are critically endangered due to deforestation. These apes eat fruit, live in trees, and are native to Indonesia and Malaysia.

OrangutanPin

Orb Weaver

There are over 3,000 species of these spiders, being the third-largest spider family.

Orb WeaverPin

Orca

They are also known as the killer whale, and they’re the largest member of the oceanic dolphin family. They are apex predators, which means they’re at the top of the food chain.

OrcaPin

Oriole

Unlike many other insect-eating birds, orioles eat spiny or hairy caterpillars.

OriolePin

Ornate Chorus Frog

This small frog is found in the southeast United States and in pine woodlands.

Ornate Chorus FrogPin

Ornate Hawk-Eagle

This brown and white eagle has a large crest which is raised when the bird gets excited.

Ornate Hawk-EaglePin

Oryx

A very large antelope that can weigh anywhere from 220 to 450 pounds.

OryxPin

Osprey

This bird is found in the Americas, Europe, Africa, Asia, and Australia.

OspreyPin

Ostrich

The world’s biggest bird and the fastest bird on land. They can run at 43 mph.

OstrichPin

Otter

Sea otters have the thickest fur of any animal.

OtterPin

Owl

They can rotate their necks 270 degrees.

OwlPin

Owl Butterfly

These butterflies get their name from the owl-like eye markings on the undersides of their wings. They’re found in Central and South American rainforests.

Owl ButterflyPin

Ox

People have depended on these strong animals to do work for about 6,000 years.

OxPin

Oyster

Their shells are made of two parts with a hinge along one end. Different oysters produce different things, such as being edible food or producing pearls.

OysterPin

Oystercatcher

A large wading bird found on the coasts of Europe, Asia, and North Africa. These birds don’t typically eat oysters, instead, they eat cockles, mussels, and worms.

OystercatcherPin

Animals Starting with O | Image

Beautiful Animals that Start with O

Animals that Start with OPin

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