Animal Names That Start with O
Animals are a type of living organism. Some animals are domesticated, while others live in the wild. All animals can move around and interact with their environment. They eat food to survive and grow.
Animal names in English and Pictures!
Animals That Start With O
- Oyster
- Ocean Pout
- Ozark Bass
- Opah
- Oilfish
- Ornate Bichir
- Owl Butterfly
- Oriental Dwarf Kingfisher
- Orange-Crowned Warbler
- Oranda Goldfish
- Orange Spider
- Orinoco Crocodile
- Oscar Fish
- Ornithocheirus
- Ocellated Turkey
- Ori-Pei
- Oxpecker
- Orange Baboon Tarantula
- Oregon Spotted Frog
- Orange Dream Ball Python
- Ocelot
- Oviraptor
- Oyster Toadfish
- Olm
- Oceanic Whitetip Shark
- Opossum
- Orangutan
- Ornithomimus
- Orchard Oriole
- Oenpelli python
- Onagadori Chicken
- Ornate Box Turtle
- Owlfly (Ascalaphidae)
- Olive Sea Snake
- Olympic Marmot
- Oak Toad
- Ox
- Ovenbird
- Owl
- Okapi
- Otter
- Otterhound
- Olive Baboon
- Ostracod
- Orange Tanager (Orange-Headed Tanager)
- Oleander Hawk Moth
- Oarfish
- Olingo
- Opaleye (Rudderfish)
- Orb Weaver
- Oribi
- Osprey
- Orange Roughy
- Ostrich
- Old House Borer
- Olive python
- Ortolan Bunting
- Orchid Dottyback
- Octopus
- Opabinia
- Onager
- Ocean Whitefish
- Old English Sheepdog
- Oriental Cockroach
Extinct Animals Starting With O
- O’ahu ʻakialoa
- Oahu deceptor bush cricket
- Oahu nukupu’u
- Omomys carteri
- Ondatra zibethicus gregoryi
- Onychonycteris finneyi
- Oreopithecus bambolii
- Ornimegalonyx oteroi
- Orohippus pumilus
- Osbornodon iamonensis
- Otarocyon cooki
- Otodus obliquus
- Otomys denti
- Ovis ammon
- Ovis canadensis
- Ovis vignei
- Ozarkodina typica
- Oligokyphus
- Onchopristis numidus
- Ophiodon elongatus
- Ornithomimus sedens
- Orthoceras
- Osteoborus diogoi
- Othnielia rex
- Oxyaena gulo
- Oxyaena lupina
- Oxyaena lydekkeri
- Oxyaenoides bicuspidatus
- Oxyaenoides furcatus
- Oxyaenoides gracilis
- Oxyaenoides leptodus
- Oxyaenoides minor
- Oxyaenoides tongxinensis
Sea/Ocean Animals Starting with O
- Octopus
- Olive Ridley Turtle
- Orca
- Otter
- Oyster
- Oystercatcher
Farm/Domestic Animals That Start With Letter O
- Ocelot
- Octopus
- Old English Bulldog
- Old English Sheepdog
- Opossum
- Orangutan
- Oryx
- Ostrich
- Otter
- Owl
- Ox
- Oyster
Wild Animals that Begin with O
- Ocelot
- Opossum
- Okapi
- Orangutan
- Otter
- Oyster
- Osprey
- Olive Baboon
- Ocean Sunfish
- Olive Ridley Turtle
- Ostrich
- Ochre Starfish
- Octopus
- Onager
- Osage Copperhead Snake
- Oriental Pied Hornbill
- Olive-backed Sunbird
- Orange-headed Thrush
- Olive Woodpecker
- Old World Swallowtail Butterfly
- Ornate Box Turtle
- Olive Whip Snake
- Orange-throated Whiptail Lizard
- Olive Grass Snake
- Orange Weaver Ant
- Olive Bee-eater
- Orange-tailed Skink
- Oriental Small-clawed Otter
- Orange-bellied Himalayan Squirrel
- Orange-bellied Antwren
Animals that Start with O – List With Pictures and Facts
Oyster
Can change gender multiple times in a lifetime.
Oryx
Can detect rain from 50 miles away.
Oarfish
World’s longest bony fish, up to 36 feet.
Ornate Hawk-Eagle
Can fly up to 50 mph.
Octopus
Has three hearts and blue blood.
Ocellaris Clownfish
Can change sex to become male.
Oilbird
Only nocturnal fruit-eating bird in the world.
Oystercatcher
Can open mollusk shells with their bills.
Otter
Hold hands while sleeping to avoid drifting apart.
Osprey
Can dive up to 100 feet into the water.
Owl Butterfly
Has eye-like spots on its wings to deter predators.
Olm
Can live up to 100 years in complete darkness.
Olive Ridley Sea Turtle
Nest together in groups called arribadas.
Orb Weaver
Spins a new web every day.
Okapi
Only living relative of the giraffe.
Opossum
Only marsupial in North America.
Owl
Can rotate their heads up to 270 degrees.
Orangutan
Has opposable thumbs like humans.
Ostrich
World’s largest bird, up to 9 feet tall.
Old English Sheepdog
Has hair that grows continuously, and needs trimming.
Ocelot
Can swim and climb trees to hunt prey.
Oriole
Weaves intricate nests in trees.
Orca
Also known as the killer whale, the largest dolphin species.
Ox
Can pull up to 1.5 times their body weight.
Ornate Chorus Frog
Can change colors from brown to green.
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