The black swan, Cygnus atratus is a large waterbird which breeds mainly in the southeast and southwest regions of Australia. An estimated one-quarter of all black swans pairings are homosexual and they steal nests, or form temporary threesomes with females to obtain eggs, driving away the female after she lays the eggs. [13][14]. Over 1, animal species engage in same-sex coupling and parenting. Even more regularly engage in homosexual or bisexual relationship. Some can change their sex at various points in their lives sometimes more than once , and some choose to express themselves as the opposite sex.
A full percent of the gay couples successfully fledge their young, compared with 30 percent for straight couples. (EN19) (EN19) L.W. Braithwaite, , Ecological studies of the black swan: III. Behavior and social organization, Australian Wildlife Research The black swan is a large waterbird with sleek black feathers, vivid red eyes, and a red bill marked by a white stripe. It measures — cm 4. Males and females are similar in appearance, though males are slightly larger with a longer straighter bill.
Swans Around 20 to 25% of black swans are in exclusively male-male relationships. Swans are predominantly monogamous and pair for life, so homosexual couples are really committed to one another and their way of life. And they love building a family and raising their own chicks. Topic: Animals. Swan researchers say some bird behaviours aren't so different from human behaviours. ABC News: Danielle Bonica.
TIL approximately 25% of all black swan pairings are between homosexual males. Some couples are so eager for cygnets that "They steal nests, or form temporary threesomes with females to obtain eggs, driving away the female after she lays the eggs". Among giraffes, there's more same-sex than opposite-sex activity. In fact, studies say gay sex accounts for more than 90 percent of all observed sexual activity in giraffes. And they don't just get straight to business.