Cute animals – especially baby animals – rule the web.

Every time a new one comes up, the details vary, but the fascination is the same.

Cute animals have been beloved for as long as animals and humans have existed.

Currently, cats such asThe Stinkwalker,Lucille the senior rescue catand earlessCheddar Bobare finding new generations of fans.

Why do we love them so?

For one thing,medical studies have shown we’re actually hardwiredto love and protect little vulnerable things.

They stand in for us in jokes and memes, and their mere innocence brings smiles.

Here’s a look at just some of the amazing animals that are currently charming millions online.

She’s cute and sassy and somewhat weird, because her skin is always wet.

Firstly, his biological dad, Blake, is our biggest and oldest penguin.

Secondly, he’s had amazing parents raising him!

But eating so much comes with natural consequences.

CNN notes thatPesto poops every 15 minutes, and the staff hurry after him to keep his enclosure clean.

Pesto is so popular that the aquarium is even sellingmerchandise with his image on it, plus a plushie.

And evensinger Katy Perry visited him.

Get Disney on the phone, we’ve found its next heart-wrenching movie subject.

But the zoo does haveFacebookandInstagram, so he might make appearances there.