3. Flatworms contain both male and female reproductive genitalia, and two flatworms will "penis-fence" until one has successfully jabbed and inseminated the other.
4. Male garter snakes will imitate a female garter snake in order to attract males that will cuddle and keep them warm.
5. To avoid being eaten by the female, a male argonaut octopus may detach its mating arm and leave it in the female before swimming away to safety.
6. Drone bees die immediately after mating because their penis and abdomen are completely torn from their bodies during the process.
7. Sea lion pups and their mom communicate through special vocalizations so they can identify one another.
9. Giraffes' tongues are black in color to prevent them from getting sunburnt. They actually stick their tongues out that much.
10. Baby elephants can't see very well when they're first born so they identify their mom through "touch, scent and sound."
11. Male giraffes will use their extremely long tongues to taste the pee of female giraffes to determine if they're ovulating.
13. It's extremely common for male giraffes to have sex with each other. Like, extremely common. As in 50% of all male giraffes have no problem sexing up other male giraffes.
17. Giraffes can sprint up to 35 miles per hour, which is pretty fast for an animal that is practically wearing stilts.
19. Goats and cows have accents.
20. There's an abandoned minefield that has accidentally created a penguin sanctuary. The mines keep poachers out, but the penguins are too small to set them off.
22. Giraffes can live without water longer than a camel can. At this point, it's OK to suspect that they're indestructible.
24. In fact, their system for regulating blood pressure has been replicated by aeronautical engineers for use in spacesuits.
25. No two giraffes have the same pattern of spots, but giraffes that live in the same area tend to have similar coats.
26. Seagulls often stomp on the ground — often referred to as their "rain dance" — to attract earthworms and other food.
28. Cats are responsible for the global extinction of 33 species.
29. Dogs prefer to poop facing the North Pole.
30. Your dog probably dreams about you.
31. Umm Nyolokh is a substance made from the liver and bone marrow of a giraffe. If ingested, it allegedly produces giraffe-themed hallucinations.
33. There are deer in Eastern Europe that still won't cross where the Iron Curtain was.
34. The oldest living creature was a clam that lived 507 years.
37. Some fish can recognize their owner's face.
38. Giant pandas are no longer an endangered species, and tiger populations are on the rise.
39. When a baby elephant is born, other mothers in the social group will trumpet to celebrate or announce the baby's arrival.
40. Dolphin mothers sing to their babies while they're in the womb.
41. The first animal to orbit the moon was a tortoise.
42. Cows have "best friends" and are happier when they're with them.
43. The Latin word for giraffe is "camelopardalis," which is a throwback to the Roman idea that they look like a hybrid between camels and leopards.
44. The only thing keeping the nine different species of giraffe from regularly interbreeding is rain. It disrupts their migration patterns.
45. Your dog ~actually~ loves you, not just because you give them food and walks.
46. When dogs appear in movies and TV, sometimes they have to have CGI tails because they wag too much during the scene.
47. Dogs can tell when you're due to come home by how much of your scent is remaining in the house.
48. Chinchilla fur is so dense that it's very bad for them to get wet. So instead of bathing in water, they bathe in dust like this:
50. Hundreds of trees — if not more — become seedlings every year because of squirrels who forgot where they buried their food.
51. There is a hotel in Kenya that doubles as a giraffe sanctuary, where you can hang out with giraffes all day.
52. Vampire bats love to share.
53. Scorpions glow under ultraviolet lights
54. Wasps taught us how to make paper!
58. Eels travel for months just to mate.
59. Male coyotes dote on female coyotes as they dote on their babies.
68. "Giraffe" is pronounced similarly in almost every language except for Cherokee, which calls them "digalisdugisgi."
76. Stoats — weasel-like mammals — are thought to have had their name derive from the Dutch word for "naughty."
78. Even though they have suuuuper long necks, giraffes only have seven vertebrae — the same number as in a human neck!
80. The Turritopsis Dohrnii jellyfish can revert back to a younger version of itself, it's basically immortal.
86. All male felines have a barbed penis with more than 100 hooks made of kerotin that help induce ovulation.
87. There are about 370 species of lungless amphibians that depend on cutaneous respiration (the exchange of gas through moistened skin) to breathe.
96. Polar bears cubs stay with their mom for at least two years, learning the ropes about hunting and diving.
97. Emperor penguin moms and dads alternate roles while raising a chick, one will hunt for food while the other stays at the breeding site to keep the baby warm and safe.
99. For the first two years of their life, young orangutans are dependent on their mom for food and transportation.
100. Each night before going to sleep, gorillas make a cozy bed out of leaves. Gorilla moms share these nests with their nursing babies.
102. Baby rhinoceroses are born with no horn so they depend entirely on their mother for protection.
105. A moose calf can stay with it's mom for up to a year before it's time for mom to have another baby.
106. A mother hippopotamus gives birth to her baby underwater, then helps him to the surface, so he's able to breathe.
107. And finally, a lioness will hide her cubs in a dense bush until they're old enough to join the pride.
Do you know any super random but super cool animal facts that weren't included in this list? Feel free to leave them in the comments below!
This article contains content from Syd Robinson, Andy Golder, Pedro Fequiere, Alana Mohamed, Dan Meth, Kaelin Tully, Alexis Nedd, and Francesca Rea. It was compiled by Salimah McCullough.