Lion

The king of the wild animal world often engages in interesting behaviors. Although females were often captured in action, male lions are more prone to nuzzling and mounting each other.

Flour Beetle

If you’ve ever had one of these sneaky creatures in your house, you probably know how fast they mate (and that they can survive even radiation). Their trick may actually be a smart one: male beetles are testing each other before the actual mating process with females to increase their species’ chances of survival.

Giraffe

Did you know that 9 out of 10 times giraffes mate, it actually happens between members of the same gender? That’s right, males are used to hugging and using different techniques with a single goal: relaxation.

Grey Whale

Same-sex relations are not just for smaller creatures. Reaching lengths of up to 49 feet (14.9 m), the 36-ton male gray whale is known for seeking same-gender partners and have fun together constantly.

Mallard Duck

Mallard ducks are some of the most passionate creatures of the bird kingdom. Usually, male mallards only stay with a female until she lays her eggs – and then they get back to their friends for some fun.

Bison

Speaking of passionate animals, American bison definitely show their love! Aside from mating, the males of a herd entertain each other multiple times a day, especially around the mating season.

Griffon Vulture

Not only do these birds mate same-gender partners, but they actually raise families together. Dashik and Yehuda, two male griffon vultures, were noted to be mating at the Jerusalem Biblical Zoo in 1998. Thereafter, they built a nest and took turns incubating an artificial egg. They were later given a baby vulture which they raised together!

Sheep

Though sheep are not monogamous animals, researchers have found that about 8% of male sheep willingly choose a male partner when given the option and are exclusively homosexual. (This percentage is relatively similar to the percentage of homosexual human men.)

Fruit Fly

The common fruit fly gives some evidence towards the proposition of homosexuality being – at least partially – a genetic trait. When a mutant gene is present, male fruit flies court and mate only with other males. The study of this gene, known as “fruitless,” is one of the leading scientific discussions on the genetic origin of human orientation.

Black Swans

Male black swans can be shady creatures. About one-in-four black swan pairings are homosexual. These pairings often steal nests and, if males, will form a pair with a female to get her to lay eggs. After she lays them, the two males chase her off – now that’s wild!