There are countless animals in the world, and while we can't know them all, we've all encountered quite a few, either in person or on TV. But have you ever wondered which animals are the laziest?

Here's a list of the laziest animals in the world, with the laziest one being absolutely outrageous.

Sloths

Just by their name, you know these creatures are lazy. Fans of "Zootopia" might have laughed at the sloth scenes, but real-life sloths are even slower and lazier.

They move slower than turtles and are so dirty it's hard to look at them. Their life consists of sleeping and eating leaves—literally eat and sleep, sleep and eat. But their most unbearable habit is their laziness in going to the bathroom. They only do it when absolutely necessary, and when they do, it's usually super slow.

Koalas

Koalas, also known as tree kangaroos, are adorable tree-dwelling animals. They are one of the best at lying down in the animal kingdom, sleeping in trees for 17-20 hours a day. That means they are almost always sleeping, with less than a quarter of the day spent being active. And here's the kicker: koalas are mostly raised on a diet of feces. Think about that.

Nurse Sharks

If land animals can be lazy by finding comfortable spots to sleep and avoid predators, how do marine animals manage? The nurse shark is considered one of the gentlest sharks in the world. They are only active at night, spending most of the day resting. Even when active at night, they mostly catch small fish and mollusks nearby. This is probably why people think they are lazy.

Opossums

Opossums are the braking masters of the animal kingdom, looking like large rats with dog-like features, and some are even bigger than cats.

They have incredible survival skills, with the American opossum having survived for 70 million years. However, opossums are very gentle, usually only coming out at night to hunt insects, snails, and other small invertebrates, and they also eat plant-based foods. They are quite lazy, sleeping an average of 18-20 hours a day.

Hippos

A common species in the animal world, hippos are chubby and adorable, especially the baby hippos. They usually spend their time either playing and sleeping in the water or dozing off on the shore. Hippos are quite lazy, sleeping for about 15-20 hours a day. Most of their day is spent napping.

Pythons

Most snakes are pretty lazy, and pythons are especially so. After a good meal, they can go months without needing to move. It's clear that pythons are true homebodies. As long as they are not hungry, they won't leave their spot.

Echidnas

One of the most primitive mammals, echidnas love eating ants, and they can devour ten thousand ants in just ten minutes, making them a major disaster for the ant world. They are also very lazy, sleeping for half of the day. Echidnas are nocturnal, coming out only at dusk and night.

Dormice

As their name suggests, dormice are extremely sleepy. Unlike other rodents that store food for winter, dormice just eat a lot to store energy. During hibernation, their weight can drop by nearly half, their body temperature decreases, and their breathing slows down. It's clear how lazy these mice are, relying on their stored energy to get through the winter.

Brown Bats

Brown bats sleep for an astonishing 20 hours a day, only being awake for 4 hours. They spend about 83% of their lives sleeping. They are truly the sleep gods.

In the vast animal kingdom, some creatures have mastered the art of doing as little as possible. From the slow-moving sloths to the long-sleeping bats, these animals show us that laziness can be a survival strategy. However, their extreme laziness also highlights the diversity of animal behavior. While some animals thrive by being active, others succeed by conserving energy. This list of the laziest animals gives us a glimpse into their unique lifestyles.