Chihuahua
These little dogs are so tiny that sometimes you don’t even notice when someone is carrying one around in their purse. The smallest Chihuahua ever is named Miracle Milly and measures only 3.8 inches tall.
Check out these 10 unique dog breeds you’ve never heard of.
Pygmy marmoset
This tiny creature looks and acts somewhat like a little squirrel, climbing up trees and branches in the rainforests of South America. It weighs about three to five ounces.
Learn the truth behind animal “facts” you have all wrong.
Miniature horse
Miniature horses definitely aren’t the smallest animals on this list, but they’re too cute not to include. The smallest living miniature horse is named Thumbelina, and she measures just 17.5 inches tall.
Pygmy rabbit
Pygmy rabbits are the world’s smallest, measuring only nine to twelve inches and weighing less than a pound. The species is endangered and can only be found in Washington state.
Don’t miss 11 monogamous animals that stay together all of their lives.
Mouse lemur
Mouse lemurs are so tiny that they can fit in the palm of your hand. The smallest species is the Madame Berthe’s mouse lemur, which is the world’s smallest primate weighing in at as little as 30 grams.
Brookesia micra chameleon
This chameleon is small enough to fit on the head of a match—you might miss it if you don’t look closely. It was discovered in 2012 on the island of Madagascar.
Learn about the seven animals that can basically live forever.
Dwarf three-toed jerboa
The dwarf three-toed jerboa is the world’s smallest rodent. It weighs less than an ounce and is about 1.7 inches tall. Some people compare its little body to a cotton ball.
These hilarious stories prove we’ll do anything for our favourite pets.
Royal antelope
The royal antelope is the world’s smallest antelope, measuring only ten inches tall and weighing less than seven pounds. This cute little creature lives in the rainforests of Ghana and Sierra Leone, but the chances of you seeing one are very slim because they’re nocturnal.
Check out these other 15 adorable animals you didn’t know existed.
Paedophryne amauensis frog
This frog is about the size of a housefly; so tiny it can fit on a dime. Measuring only 7.7 millimetres long, it’s the smallest known animal with a backbone.
Bee hummingbird
The bee hummingbird is the smallest bird in the world and weighs less than two ounces. Don’t let its size food you: It’s tiny but powerful, beating its wings 80 times per second.
For more cuteness, check out these 10 Canadian birds captured on camera.