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Animals!

You love them, and we do too. In fact, we’ve made it our life’s work to share with you every detail about every animal on our planet.

Click to view all our animals or scroll to see some of the more popular animal lists!

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Each day we add new animals to our site. Search or scroll to see our progress!

If people are educated about the world’s animal species they will better care for them. Join our newsletter to become part of the solution!

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Most Popular Animals

Lion

Lives in small groups called prides!

Panther

Prefers to hunt at night than during the day!

Amur Leopard

The Amur leopard may be the rarest big cat on Earth!

Polar Bear

Could be extinct within the next 30 years!

White Tiger

None have been seen in the wild for 50 years!

Wolf

Thought to date back more than 300,000 years!

A-Z Animals was founded on three guiding principles: accurate content you can trust, spreading knowledge on the animal kingdom, and giving back.

Today, more than 30,000 species are threatened with extinction, and thousands would already be lost without tireless conservation efforts. Knowing that the first step toward conservation is spreading knowledge of the incredible animals species across our planet, A-Z Animals was founded in 2008 to offer an online encyclopedic resource across animals of all kinds. Read More

Most Popular Pet Dogs

Boston Terrier: Complete Pet Guide

Friendly, lovable and very strong!

Irish Setter Complete Pet Guide

Can live for up to 16 years!

Golden Retriever Complete Pet Guide

Trusting, kind and gentle!

Most Popular Pet Cats

Abyssinian

The oldest breed of cat in the world!

Australian Mist

First bred in the 1700s!

Ragdoll

One of the larger breeds of domestic cat!

Explore Animals from Around the World

  • African Animals
  • Asian Animals
  • Central American Animals
  • Eurasian Animals
  • European Animals
  • North American Animals
  • Marine (Ocean) Animals
  • Oceanian Animals
  • South American Animals

Our Newest Animals

Pileated Woodpecker

Pairs establish territories and remain all year

House Finch

The house finch can become redder depending on what it eats

Gouldian Finch

The male Gouldian finch bobs its head and fluffs its feathers to court a female.

Loach

Have sharp spines below their eyes

Toadfish

Can be heard out of water

Codfish

They eat other fish

Most Recently Updated Animals

Pileated Woodpecker

Pairs establish territories and remain all year

Loach

Have sharp spines below their eyes

Spixs Macaw

One of earth's rarest animals!

Gouldian Finch

The male Gouldian finch bobs its head and fluffs its feathers to court a female.

Olm

Inhabits dark underwater caves

Snapping Turtle

Only found in North America!

Animals By Letter: Explore A to Z Animal Lists

Animals that Start with A

Example: The Australian Cattle Dog

Animals that Start with B

Example: The Beluga Sturgeon

Animals that Start with C

Example: The Cooper’s Hawk

Animals that Start with D

Example: The Desert Tortoise

Animals that Start with E

Example: The English Cocker Spaniel

Animals that Start with F

Example: The False Killer Whale

Animals that Start with G

Example: The Gorilla

Animals that Start with H

Example: The Hyena

Animals that Start with I

Example: The Indri

Animals that Start with J

Example: The Japanese Macaque

Animals that Start with K

Example: The King Crab

Animals that Start with L

Example: The Little Penguin

Animals that Start with M

Example: The Macaroni Penguin

Animals that Start with N

Example: The Nurse Shark

Animals that Start with O

Example: The Opossum

Animals that Start with P

Example: The Pufferfish

Animals that Start with Q

Example: The Quokka

Animals that Start with R

Example: The Red Fox

Animals that Start with S

Example: The Staffordshire Bull Terrier

Animals that Start with T

Example: The Termite

Animals that Start with U

Example: The Uguisu

Animals that Start with V

Example: The Vulture

Animals that Start with W

Example: The Wolffish

Animals that Start with X

Example: The Xerus

Animals that Start with Y

Example: The Yellow-Eyed Penguin

Animals that Start with Z

Example: The Zebra Shark

Frequently Asked Questions About Animals

What are the 6 types of animals?

The 6 types of animals are mammals, fish, amphibians, reptiles, birds and invertebrates. Additionally, animals are classified in many different ways, which you may learn about in this complete guide to animal classification.

Our Endangered Animals Lists

Extinct

Extinct in the Wild

Critically Endangered

Endangered

Vulnerable

Near Threatened

Least Concern

Data Deficient

Not Listed

If people are educated about the world’s animal species they will better care for them. Join our newsletter to become part of the solution!

Thanks for subscribing!

Reference

We are building the world's greatest animal encyclopedia. Be search to check out our Reference Library and Glossary to learn about Animal Habitats, Diet, Behaviour and much more...

A-Z Animal's Blog — Animal News, Facts, Rankings, and More!

Top 10 World’s Smallest Animals

What are the smallest animals in the world? Before we begin, let’s define “smallest.” After all, single-celled organisms, which can only be seen with microscopes, are crawling over everything — including our bodies! So, for our smallest animals in the world list, we’re limiting it to animals viewable with unaided human eyes. Smallest Rabbit: Pygmy […] Read More


The 10 Stinkiest Animals in the World

What are the most stinky animals on Earth? Which animals will make your olfactory system weep? We’ve considered all the candidates and came up with a list. So light a scented candle and strap on a gas mask. We’re diving into Mother Nature’s pit of aroma-challenged animals! #10 Stinkiest Animal: Sea Hare The sea hare […] Read More


Top 10 Smartest Animals on Earth

What are the 10 smartest animals on Earth? We’ve given it some thought and compiled a list. So, without further ado, let the countdown begin! #10 Smartest Animal on Earth: Raccoon Raccoon Reaches For Flower Raccoons may gravitate to the garbage, but they’re also super smart. In the early 20th century, research conducted by ethologist […] Read More


The Complete Guide to the IUCN: The Basics, History, and Red List Explained

While researching endangered animals, you stumbled upon the acronym IUCN and may have thought: What is the IUCN? So let’s answer your questions. IUCN: The Basics The IUCN — which stands for International Union for Conservation of Nature — is the world’s largest global environmental network.  Established in 1948, the organization develops sustainable solutions to […] Read More


The 15 Laziest Animals on Earth

Sure, last weekend, you enjoyed a 32-hour stream-a-thon and are now social media friends with the delivery driver. Still, you’re probably more active than the layabouts who made our 15 laziest animals list! #15 Laziest Animal: Cuckoo Bird Cuckoo birds do a lot of flapping around, but they’re lazy parents! Instead of incubating their own […] Read More


Marble Fox: Your Questions Answered

What is a marble fox? Do they make good pets? Are marble Arctic foxes the same as marble foxes? A reader recently asked these questions, so we got to work and found the answers. Let’s dive in! What Is a Marble Fox? Marble foxes aren’t a naturally occurring species. Instead, they’re the offspring of red […] Read More


Top 10 Animals that Hibernate (Excluding Bears)

Bears sleep through winter, but are there other animals that hibernate? The answer is yes! And today, we’re counting them down. Ready? Let’s go! #10 Hibernating Animal: Ground Squirrel Unlike tree squirrels, many ground squirrels are all about burrowing.  With their brown fur and long claws, ground squirrels look near-identical to their arboreal-dwelling cousins. But […] Read More


Presidential Dogs: The Complete Guide to the First Dogs of The U.S.

A reader recently asked: Which U.S. presidents had dogs and what were their breeds? Never ones to ignore animal-related questions, we immediately got to work, dove into research, and emerged with a list of presidential dogs. Which president had eight dogs but no children? Which first family had over 30 pets and gave the White […] Read More


Best Dogs for City Living: The Definitive List

What are the best dogs for city living? Good candidates can’t be frequent, loud barkers that drive the neighbors mad. Additionally, they must be comfortable in smaller spaces and able to saunter through crowded city streets on a leash — or in a bag — without freaking out. So which breeds fit these needs? Let’s […] Read More


Are Insects Animals?

To date, scientists have identified about 1,744,204 (or 1.74 million) species. That’s an impressive number, but a mere drop in the bucket compared to the number of species waiting to be discovered. Recent estimates place the number of species in the natural world anywhere between 8.7 million and over a trillion! But the estimate includes […] Read More


Animal of the Day


Muskrat

The muskrat can stay underwater up to 17 minutes at a time

Most recent blog post


Top 10 World’s Smallest Animals

What are the smallest animals in the world? Before we begin, let’s define “smallest.” After all, single-celled organisms, which can only be seen with microscopes, are crawling over everything — including our bodies! So, for our smallest animals in the world list, we’re limiting it to animals viewable with unaided human eyes. Smallest Rabbit: Pygmy […] Read More

Support A-Z Animals!

Alphabet Coloring Book

AZ Animals Coloring Book

Children can practice coloring letters and learn about animals at the same time! Perfect for a self-guided quiet activity. Kids will enjoy practicing upper and lower case letters, while adults can read the fun facts on each page to learn more about these amazing creatures. Practice all letters, and learn about animals A-Z.

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