Imagine a world teeming with life, from the soaring heights of the sky to the mysterious depths of the ocean. This article presents an A to Z journey through the animal kingdom, offering a unique glimpse into the lives of diverse species ranging from mammals to arachnids. As we navigate from the letter A, introducing animals like the majestic Albatross, to Z, closing with the zealous Zebra, we invite you to join us on this voyage of discovery.
Each letter serves as a gateway to understanding the remarkable adaptations and behaviors that allow these creatures to thrive in their respective habitats. By exploring the varied list of mammals, birds, amphibians, fish, insects, and arachnids, we not only celebrate the incredible diversity of our planet but also underscore the importance of conservation efforts. Let this alphabetical exploration enrich your knowledge and ignite your passion for the natural world as we transition seamlessly into the heart of this captivating guide.
Animals that Start with a
Mammals
- Aardvark
- Aardwolf
- African Buffalo
Birds
- Albatross (various species)
- American Dipper
- American Goldfinch
Reptiles
- Adder (various species)
- African Spurred Tortoise
Amphibians
- Axolotl
- African Bullfrog
Fish
- Angelfish (Freshwater and Saltwater species)
- Anglerfish (various species)
Insects
- Ant (various species, e.g., Army Ant, Leafcutter Ant)
- Aphid
Arachnids
- Araneae (Spiders, various species)
Miscellaneous
- Acanthocephala (Parasitic phylum known as spiny-headed worms)
Read More: All Animals that Start with A
Animals that Start with B
Mammals
- Baboon
- Badger
- Baleen Whale
- Banded Mongoose
Birds
- Bald Eagle
- Baltimore Oriole
- Barn Owl
- Barn Swallow
Reptiles
- Basilisk
- Bearded Dragon
- Black Mamba
Amphibians
- Bullfrog
- Burrowing Frog
Fish
- Barracuda
- Bass (various species)
- Beluga Sturgeon
Insects
- Bumblebee
Arachnids
- Black Widow Spider
Miscellaneous
- Box Jellyfish
- Brittle Star (a type of Ophiuroidea)
Read More: All Animals that Start with B
Animals that Start with C
Mammals
- Capybara
- Caracal
- Cheetah
- Colugo
Birds
- Canary
- Cockatoo
- Condor
Reptiles
- Cobra
- Crocodile
Amphibians
- Caecilian
- Common Frog
Fish
- Clownfish
- Cod
Insects
- Cicada
- Cockroach
Arachnids
- Camel Spider
Miscellaneous
- Coral (various species within the Cnidaria phylum)
- Cuttlefish
Read More: All Animals that Start with C
Animals that Start with D
Mammals
- Deer (various species, e.g., White-tailed deer)
- Dolphin (various species, e.g., Bottlenose dolphin)
- Dingo
Birds
- Dove (various species)
- Duck (various species, e.g., Mallard duck)
- Dunlin
Reptiles
- Diamondback Rattlesnake
- Dinosaur (extinct – various species, e.g., Diplodocus, Tyrannosaurus)
Amphibians
- Dart Frog (various species, e.g., Poison dart frog)
- Desert Rain Frog
Fish
- Damselfish
- Discus
Insects
- Dragonfly
- Damselfly
Arachnids
- Daddy Longlegs (also known as Harvestmen)
Miscellaneous
- Dugong
Read More: All Animals that Start with D
Animals that Start with E
Mammals
- Elephant (African and Asian species)
- Elk
- Echidna
Birds
- Eagle (various species, e.g., Bald eagle, Golden eagle)
- Emu
- Egret
Reptiles
- Eastern Diamondback Rattlesnake
- Eastern Box Turtle
Amphibians
- Eastern Newt
- European Tree Frog
Fish
- Eel (various species, e.g., American eel, European eel)
- Electric Eel
Insects
- Earwig
- Eastern Hercules Beetle
Arachnids
- European Garden Spider
Miscellaneous
- Earthworm
Read More: All Animals that Start with E
Animals that Start with F
Mammals
- Fennec Fox
- Ferret
- Fin Whale
Birds
- Falcon (various species, e.g., Peregrine Falcon)
- Flamingo
Reptiles
- Frilled Lizard
- False Coral Snake
Amphibians
- Fire-Bellied Toad
- Fire Salamander
Fish
- Flying Fish
- Flounder
Insects
- Firefly
- Flea
Arachnids
- Fishing Spider
Miscellaneous
- Flatworm
Read More: All Animals that Start with F
Animals that Start with G
Mammals
- Giraffe
- Gorilla
- Giant Panda
Birds
- Goldfinch
- Goose (various species)
- Goshawk
Reptiles
- Gecko (various species)
- Gharial
Amphibians
- Glass Frog
Fish
- Guppy
- Gar
- Goby (various species)
Insects
- Grasshopper
- Goliath Beetle
Arachnids
- Garden Spider
Miscellaneous
- Giant Clam
Read More: All Animals that Start with G
Animals that Start with H
Mammals
- Hippopotamus
- Hedgehog
- Hyena
- Humpback Whale
Birds
- Hawk (various species)
- Heron
- Hummingbird (various species)
Reptiles
- Horned Viper
- Hognose Snake
Amphibians
- Horned Frog
Fish
- Haddock
- Halibut
Insects
- Honeybee
- Hornet
Arachnids
- Harvestman (Daddy Longlegs)
Miscellaneous
- Horseshoe Crab
Read More: All Animals that Start with H
Animals that Start with I
Mammals
- Ibex
- Iberian Lynx
- Impala
- Indian Elephant
- Indian Rhinoceros
- Indri
- Irish Setter (Though a dog breed, included for its distinct name)
- Italian Greyhound (Similarly, a dog breed)
Birds
- Ibis (various species)
- Icelandic Sheepdog (A dog breed, yet notable for its name)
- Imperial Eagle
- Indian Peafowl
- Indigo Bunting
- Ivory Gull
Reptiles
- Iguana (Green Iguana, Marine Iguana)
- Indian Cobra
- Inland Taipan
Amphibians
- Ichthyophis (a genus of caecilians)
Fish
- Icefish
- Ide
- Iridescent Shark (a type of catfish, not a true shark)
- Immortal Jellyfish (Turritopsis dohrnii, technically not a fish but included for its intriguing name)
Insects
- Ichneumon Wasp
- Imperial Moth
- Ironclad Beetle
Arachnids
- (No widely recognized arachnids with common names starting with “I”)
Miscellaneous
- Irish Moss (a type of seaweed, included for its distinct name)
- Ivory-Billed Woodpecker (Critically endangered or possibly extinct, included for its importance)
Read More: All Animals that Start with I
Animals that Start with J
Mammals
- Jaguar
- Jackrabbit
Birds
- Jackdaw
- Jay (various species, e.g., Blue Jay)
Reptiles
- Jackson’s Chameleon
Amphibians
- Japanese Giant Salamander
Fish
- Jack Dempsey (a type of cichlid)
Insects
- Jewel Beetle
Arachnids
- Jumping Spider
Miscellaneous
- Jellyfish (not a fish but a marine invertebrate belonging to the phylum Cnidaria)
Read More: All Animals that Start with J
Animals that Start with K
Mammals
- Kangaroo
- Koala
Birds
- Kiwi
- Kingfisher
Reptiles
- Komodo Dragon
- Kingsnake
Amphibians
- Kassina (a genus of African running frogs)
- Knob-tailed Gecko (though a reptile, geckos are sometimes mistakenly referred to in common names for amphibians)
Fish
- Koi
- Killifish
Insects
- Katydid
- Kissing Bug
Arachnids
- King Baboon Spider
Miscellaneous
- Krill (a crucial part of oceanic food chains)
Read More: All Animals that Start with K
Animals that Start with L
Mammals
- Lion
- Leopard
- Lemur
Birds
- Lark
- Loon
- Lyrebird
Reptiles
- Leatherback Sea Turtle
- Legless Lizard
Amphibians
- Leopard Frog
- Lungfish (though technically a fish, its name reflects its unique adaptation)
Fish
- Lionfish
- Largemouth Bass
Insects
- Ladybug
- Locust
Arachnids
- Lynx Spider
Miscellaneous
- Lobster
- Leech
Read More: All Animals that Start with L
Animals that Start with M
Mammals
- Macaque
- Manatee
- Mandrill
- Marmoset
- Marmot
Birds
- Macaw
- Magellanic Penguin
- Magpie
- Mallard
Reptiles
- Marine Iguana
- Monitor Lizard
Amphibians
- Mudskipper (a fish with amphibious traits)
- Mudpuppy
Fish
- Mackerel
- Mahi-Mahi
- Mudskipper
Insects
- Mantis (Praying Mantis)
- Mayfly
Arachnids
- Mexican Redknee Tarantula
Miscellaneous
- Man-of-War (Portuguese Man-of-War, a marine cnidarian)
- Mussel
- Mollusk (general category, including various species)
Read More: All Animals that Start with M
Animals that Start with N
Mammals
- Narwhal
- Newt (though technically an amphibian, commonly mistaken in general discussions)
Birds
- Nightingale
- Nuthatch
- Nightjar
Reptiles
- Nile Crocodile
- Newt (amphibian, but included here for its reptile-like appearance)
Amphibians
- Newt
- Natterjack Toad
Fish
- Neon Tetra
- Nurse Shark
Insects
- Nymph (immature stage of certain insects)
Arachnids
- Nursery Web Spider
Miscellaneous
- Nautilus
Read More: All Animals that Start with N
Animals that Start with O
Mammals
- Orangutan
- Ocelot
- Otter (various species, e.g., Sea Otter, River Otter)
Birds
- Owl (various species, e.g., Barn Owl, Snowy Owl)
- Ostrich
- Osprey
Reptiles
- Olive Sea Snake
- Orinoco Crocodile
Amphibians
- Olm
Fish
- Oscar
- Opah (also known as Moonfish)
Insects
- Orchard Oriole (bird, but included here for its common association with orchards and insects)
Arachnids
- Orb-weaver Spider
Miscellaneous
- Octopus
Read More: All Animals that Start with O
Animals that Start with P
Mammals
- Panda
- Panther
- Platypus
- Polar Bear
Birds
- Parrot (various species, e.g., African Grey Parrot)
- Peacock
- Pelican
Reptiles
- Python
- Panther Chameleon
Amphibians
- Poison Dart Frog
- Pacific Tree Frog
Fish
- Piranha
- Pufferfish
Insects
- Praying Mantis
- Painted Lady (butterfly)
Arachnids
- Peacock Spider
Miscellaneous
- Portuguese Man o’ War (not a jellyfish, but a siphonophore, a colony of specialized marine organisms)
Read More: All Animals that Start with P
Animals that Start with Q
Mammals
- Quokka
- Quoll
Birds
- Quail
- Quetzal
Reptiles
- (There are no widely recognized reptiles with names that start with “Q” in common nomenclature)
Amphibians
- (Similarly, there are no widely recognized amphibians with names that start with “Q” in common nomenclature)
Fish
- Queen Angelfish
- Quillback
Insects
- Queen Alexandra’s Birdwing (the largest butterfly in the world)
- Quagga Midge
Arachnids
- (There are no widely recognized arachnids with names that start with “Q” in common nomenclature)
Miscellaneous
- Quahog (a type of clam)
Read More: All Animals that Start with Q
Animals that Start with R
Mammals
- Rabbit
- Raccoon
- Rat
Birds
- Raven
- Red-tailed Hawk
- Robin
Reptiles
- Rattlesnake
- Red-eared Slider
Amphibians
- Red-eyed Tree Frog
Fish
- Rainbow Trout
- Rasbora
- Red Snapper
Insects
- Rhinoceros Beetle
- Robber Fly
Arachnids
- Redback Spider
Miscellaneous
- Ray (several species like Manta Ray, Stingray)
Read More: All Animals that Start with R
Animals that Start with S
Mammals
- Sloth
- Squirrel
- Snow Leopard
- Swan (though technically a bird, often mistakenly referred to in various contexts)
Birds
- Sparrow
- Swan
- Secretary Bird
Reptiles
- Snake (various species)
- Skink
Amphibians
- Salamander
- Siamese Crocodile (though a reptile, sometimes confused due to naming)
Fish
- Shark (various species)
- Salmon
- Swordfish
Insects
- Spider (various species)
- Scorpion
Arachnids
- Scorpion
Miscellaneous
- Sea Urchin
- Starfish
Read More: All Animals that Start with S
Animals that Start with T
Mammals
- Tiger
- Tasmanian Devil
- Tapir
Birds
- Toucan
- Turkey
- Tern
Reptiles
- Turtle (various species)
- Tortoise (various species)
- Taipan
Amphibians
- Toad (various species)
- Tree Frog (various species)
Fish
- Trout (various species)
- Tuna (various species)
- Tetra (various species)
Insects
- Termite
- Tsetse Fly
Arachnids
- Tarantula
- Tick
Miscellaneous
- Tardigrade (also known as water bears or moss piglets, a phylum of water-dwelling micro-animals)
Read More: All Animals that Start with T
Animals that Start with U
Mammals
- Uakari (a type of monkey)
- Ugandan Kob (a type of antelope)
Birds
- Umbrellabird
- Upland Sandpiper
Reptiles
- Uromastyx (a genus of lizard known as spiny-tailed lizards)
Amphibians
- (There are no widely recognized amphibians with names that start with “U” in common nomenclature)
Fish
- Unicorn Fish
- Uaru (a type of cichlid fish)
- Upside-Down Catfish
Insects
- Ulysses Butterfly (a strikingly blue butterfly)
Arachnids
- (There are no widely recognized arachnids with names that start with “U” in common nomenclature)
Miscellaneous
- Urchin (Sea Urchin, a type of marine invertebrate)
Read More: All Animals that Start with U
Animals that Start with V
Mammals
- Vampire Bat
- Vicuña
- Vole
Birds
- Vulture (various species)
- Vermilion Flycatcher
Reptiles
- Viper (various species)
- Varanus (genus that includes monitor lizards)
- Veiled Chameleon
Amphibians
- Vietnamese Mossy Frog
- Variable Harlequin Frog
Fish
- Vampire Tetra
Insects
- Velvet Ant (a type of wasp despite the name)
- Viceroy Butterfly
Arachnids
- Vinegaroon (also known as whip scorpions)
Miscellaneous
- Velvet Worm (an example of Onychophora, an invertebrate phylum)
Read More: All Animals that Start with V
Animals that Start with W
Mammals
- Wolf (various species, including the Gray Wolf)
- Walrus
- Wombat
- Whale (various species, such as the Blue Whale and Humpback Whale)
Birds
- Woodpecker (various species)
- Warbler (various species)
- Waxwing (various species)
- Weka
Reptiles
- Wall Lizard
- Water Dragon
Amphibians
- Wood Frog
- Waxy Monkey Tree Frog
Fish
- Walleye
- Whale Shark
- Wrasse (various species)
Insects
- Wasp (various species)
- Water Strider
Arachnids
- Wolf Spider
Miscellaneous
- Water Bear (Tardigrade, a micro-animal known for its extreme durability)
Read More: All Animals that Start with W
Animals that Start with X
Mammals
- Xerus (a genus of African ground squirrels)
Birds
- Xantus’s Hummingbird
- Xenops (a genus of birds in the Furnariidae family, found in the Neotropics)
Reptiles
- Xenosaurus (a genus of lizards from Mexico and Central America)
Amphibians
- Xenopus (a genus of African clawed frogs)
Fish
- Xiphias Gladius (the scientific name for the swordfish)
- X-ray Tetra (a small fish known for its translucent body)
Insects
- Xylocopa (the genus of large carpenter bees)
Arachnids
- (There are no widely recognized arachnids with names that start with “X” in common nomenclature)
Miscellaneous
- (Additional categories do not typically feature well-known animals starting with “X”)
Read More: All Animals that Start with X
Animals that Start with Y
Mammals
- Yak
- Yellow Mongoose
- Yellow-footed Rock Wallaby
- Yucatan Squirrel
Birds
- Yellowhammer
- Yellowfinch
- Yellow-legged Gull
- Yellowthroat
- Yellow Warbler
- Yucatan Woodpecker
Reptiles
- Yellow-bellied Sea Snake
- Yellow-spotted Tropical Night Lizard
- Yacare Caiman
Amphibians
- Yellow-banded Poison Dart Frog
- Yosemite Toad
Fish
- Yellowfin Tuna
- Yellowtail (several species, including the Yellowtail Amberjack and Yellowtail Snapper)
- Yellow Perch
Insects
- Yellowjacket (a type of wasp)
- Yellow Woolly Bear (the larva of the Virginia Tiger Moth)
Arachnids
- (There are no widely recognized arachnids starting with “Y” in common nomenclature)
Miscellaneous
- Yeti Crab (a type of hydrothermal vent crab known for its hairy claws)
Read More: All Animals that Start with Y
Animals that Start with Z
Mammals
- Zebra (various species, including the Plains Zebra and the Mountain Zebra)
- Zebu
- Zorilla (also known as the Striped Polecat)
Birds
- Zebra Finch
- Zenaida Dove
- Zone-tailed Hawk
- Zitting Cisticola
Reptiles
- Zebra Shark
- Zigzag Salamander
Amphibians
- Zambezi River Frog
- Zimbabwe Reed Frog
Fish
- Zander
- Zebrafish
- Zebra Pleco
Insects
- Zebra Swallowtail (a butterfly)
- Zebra Jumping Spider
Arachnids
- Zebra Tarantula
Miscellaneous
- Zooplankton (a broad category rather than a specific species, encompassing various microscopic organisms drifting in oceans, seas, and bodies of fresh water)
Read More: All Animals that Start with Z