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.
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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
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Animals By Letter: Explore A to Z Animal Lists
Frequently Asked Questions About 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
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
Best Apartment Dogs: The Definitive 9 Picks
What are the best apartment dogs? Good candidates adjust easily to smaller spaces, don’t bark much, and aren’t overly aggressive. So, to answer the question, we consulted our dog experts and came up with this list of the nine best apartment dogs. #1 Dog for Apartment: Affenpinscher AKC Dog Personality Description for Affenpinscher: Confident, Famously Funny, […] Read More
New Monkey Alert: Just Discovered and on the Verge of Extinction
There’s a new monkey on the scene — but it’s already on the verge of extinction. Scientists stumbled upon a new primate in Myanmar‘s central forest. Called Popa langurs, the average individual sports grey fur on its back, white hair on its belly, and weighs about 18 pounds. Strikingly, they have light-colored patches around their […] Read More