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Animals that Start with O

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  3. Animals that Start with O

Read below for information on 10 different animals that start with the letter 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


Popular Animals starting with O

Ocelot

Also known as the Painted Leopard!

Old English Sheepdog

Intelligent, sociable and playful!


Animals that Start with O

We’ve broken down all of our animals into family groups. You’ll find mammals, birds, fish, reptiles, amphibians, insects, and other invertebrates below!

Jump to a specific list:

  • Mammals that Start with O
  • Birds that Start with O
  • Fish that Start with O
  • Reptiles that Start with O
  • Amphibians that Start with O
  • Insects that Start with O
  • Other Invertebrates that Start with O

Mammals that Start with O

Ocelot

Also known as the Painted Leopard!

Okapi

Eats more than 100 different types of plant!

Old English Sheepdog

Intelligent, sociable and playful!

Opossum

Thought to be immune to certain snake venom!

Orang-utan

Shares 97% of its DNA with humans!

Otter

There are 13 different species worldwide

View all mammals.

Birds that Start with O

Ostrich

The largest bird in the world!

View all birds.

Fish that Start with O

No animals found.

View all fish.

Reptiles that Start with O

No animals found.

View all reptiles.

Amphibians that Start with O

Olm

Inhabits dark underwater caves

View all amphibians.

Insects that Start with O

No animals found.

View all insects.

Other Invertebrates that Start with O

Octopus

There are around 300 different species!

Oyster

Can process up to 10 litres of water an hour!

View all invertebrates.


Alphabetical List of Animals That Start with O

  • Ocelot
  • Octopus
  • Okapi
  • Old English Sheepdog
  • Olm
  • Opossum
  • Orang-utan
  • Ostrich
  • Otter
  • Oyster

Newest Animals that Start with the Letter O

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

Opossum

Thought to be immune to certain snake venom!

Octopus

There are around 300 different species!

Otter

There are 13 different species worldwide

Animals that start with the letter O, including the Ocelot & Old English Sheepdog

Animal by Letter Lists

  • Animals that Start with A
  • Animals that Start with B
  • Animals that Start with C
  • Animals that Start with D
  • Animals that Start with E
  • Animals that Start with F
  • Animals that Start with G
  • Animals that Start with H
  • Animals that Start with I
  • Animals that Start with J
  • Animals that Start with K
  • Animals that Start with L
  • Animals that Start with M
  • Animals that Start with N
  • Animals that Start with O
  • Animals that Start with P
  • Animals that Start with Q
  • Animals that Start with R
  • Animals that Start with S
  • Animals that Start with T
  • Animals that Start with U
  • Animals that Start with V
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