The animal kingdom features a wide variety of penises that vary in shape, size, and function. Here are some of the most unusual of them.

CATS
You can call the fire department if you see a cat stuck in a tree, but they might decline your plea for help.
Breaking new cat research proves that a cat will settle in on a square drawn on the floor. Why? Because it's a cat.
It's called a cutaneous marginal pouch, and while science is a little uncertain of its true purpose, it can double as a B&B for ticks.
In 1921, an Airedale Terrier named Dormie captured national attention by becoming the first dog to be put on trial for (cat) murder. And yes, he had a lawyer.
The science experiment was made possible by red lipstick, white paper, and a high tolerance for looking at cat buttholes.
Cats can often be found munching on plastic items, especially bags. Here's why they do it, and why they shouldn't.
Phoebe Buffay's ubiquitous tune "Smelly Cat" may never have happened if not for a malodorous pooch named Gouda.
The newly launched Disney Collection at Chewy features toys, clothes, treats, and beds for your dog or cat featuring characters from Pixar, Marvel, and The Mandalorian.
When your pet cat snaps, it's good to know there are steps you can take to protect yourself and your loved ones from a feline's furry fury.
Apart from being the feline equivalent of a fancy mustache, what are cat whiskers for? As it turns out, multiple things.
Cats often take up residence near your feet when it's time for bed. They do it for a number of reasons, only some of which are selfish.
To settle the cats vs. dogs debate, check out this map showing which countries are cat lovers and which ones prefer dogs.
This confounding cat behavior is mostly because our furry friends love warm spots and attention from you.
From Tippy to Tigger, this is what Americans have named their cats and dogs in the last hundred years or so.
Cats seem to enjoy booping humans on their foreheads. Is it a sign of affection, or yet another sign of condescension?
Dogs and horses may rightfully claim their share of battlefield glory, but cats have proven themselves just as brave, cunning, and loyal.
Even if you're used to seeing your cat throw up, don't ignore it: It could be a sign of something serious.
If Patrick Bateman bragged about his pet instead of his business card, ‘American Psycho’ would’ve been a great cat movie.
'Cat People' made millions for RKO Pictures and subversively revolutionized the horror genre. Here are 11 facts about this hair-raising classic.
You can’t exactly spell out “I love you” via blinking, but it could help you send positive vibes to your precious pet.
Your cat's habit of sleeping all day isn't a sign of laziness—it's a survival instinct that's baked into their genes.