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Biology Dictionary
COVID-19 Tracker
Topics
Biology A-Z
Cell
Biochemistry
Human
Genetics
Zoology
Botany
Ecology
Anatomy & Physiology
Molecular
Microbiology
Neuroscience
Articles
Animal Kingdom
Tutorials
AP Biology
NGSS High School
News & Stories
Latest News
Editors’ Picks
Weekly Digest
Fun
Quotes about Biology
Animals that Start with O
O
O
Oscar Fish
A
African Elephant
Albacore Tuna
American Black Bear
American Bulldog
American Foxhound
Arctic Wolf
Armadillo
Arowana
Asian Elephant
Axis Deer
B
Basking Shark
Bearded Collie
Bengal Tiger
Bigeye Tuna
Binturong
Black Marlin
Black Racer Snake
Black Rat
Blackbuck
Blue Ringed Octopus
Blue Shark
Blue Whale
Bluefin Tuna
Boar
Bobwhite Quail
Bonito
Booby Bird
Bottlenose Dolphin
Boykin Spaniel
Budgie
Buffalo Fish
Bull Terrier
Bumblebee
C
Caiman
Camel Spider
Canaan Dog
Cavalier King Charles
Chinese Shar Pei
Chukar
Clownfish
Cockatiel
Cockatoo
Conch
Coonhound
Coral Snake
Coton de Tulear
Crocodile Skink
Cuckoo
Curly Coated Retriever
Cuttlefish
D
Dimetrodon
Dinoflagellate
Dogue de Bordeaux
Dugong
Dumbo Octopus
Dwarf Hamster
E
English Mastiff
English Setter
F
Fallow Deer
Fin Whale
Finnish Lapphund
Flamingo
Flying Fox
Fox Terrier
Frilled Lizard
G
German Pinscher
German Wirehaired Pointer
Giant Pacific Octopus
Giant Schnauzer
Giant Squid
Giraffe
Glow-worm
Golden Pheasant
Goliath Birdeater
Great White Shark
Green Sea Turtle
Ground Squirrel
Guppy
H
Harbor Seal
Harpy Eagle
Hedgehog
Hercules Beetle
Horny Toad
Horseshoe Crab
I
Irish Elk
J
Japanese Chin
Jellyfish
K
Killer Whale
King Charles Spaniel
Kingfisher
Koala
Kodiak Bear
Krill
Kuvasz
L
Leatherback Sea Turtle
Lemon Shark
Leopard Gecko
Lionfish
Lobster
Lovebird
M
Mahi-mahi
Malinois
Mandarin Duck
Mantis Shrimp
Mini Bull Terrier
Miniature American Shepherd
Monarch Butterfly
Mongoose
Monitor Lizard
Moon Bear
Moose
Moray Eel
N
Nudibranch
Nutria Rat
P
Pack Rat
Painted Turtle
Panther Chameleon
Partridge
Peacock
Pekingese
Penguin
Pileated Woodpecker
Pit Viper
Poison Dart Frog
Polar Bear
Portuguese Water Dog
Praying Mantis
Proboscis Monkey
Q
Quagga
Quetzal
R
Radial vs. Bilateral Symmetry
Rainbow Snake
Red King Crab
Red Squirrel
Rhinoceros
Ribbon Worm
Ridgeback
Right Whale
River Otter
Russian Tortoise
S
Saber Tooth Tiger
Sable
Saint Bernard
Saltwater Crocodile
Samoyed
Sand Dollar
Savannah Monitor
Sea Anemone
Sea Lion
Sea Otter
Secretary Bird
Shoebill Stork
Shrike
Siberian Tiger
Sierra
Skipjack Tuna
Snow Leopard
Softshell Turtle
Spaniel
Spanish Water Dog
Sperm Whale
Stingray
Swan
T
Taipan
Tamarin
Tanuki
Thresher Shark
Tiger Shark
Titmouse
Tokay Gecko
Toucan
Tree Kangaroo
Triggerfish
Turtle Dove
U
Urchin
V
Vertebrate
Vicuña
Viper Snake
W
Wahoo
Walrus
Wandering Albatross
Water Buffalo
Water Dragon
Whale Shark
Whippet
Wolfhound
Woodcock
X
X-Ray Fish
Y
Yak
Yellowfin Tuna
Yellowtail
Z
Zebu
Zonkey