Bonobos: These close relatives of chimpanzees are known for their highly social and sexual behavior, including frequent same-sex interactions as a means of social bonding and conflict resolution.
Dolphins: Dolphins engage in same-sex behavior, including mating and forming long-term partnerships. They often display sexual behavior for social bonding rather than solely for reproduction.
Penguins: Several species of penguins, such as the famous male pair at the Central Park Zoo in New York, form same-sex pair bonds and may even engage in behaviors such as building nests together.
Lions: Male lions have been observed forming coalitions where they engage in social bonding, including grooming and sometimes even mating behavior.
Albatrosses: These seabirds are known to form same-sex pair bonds that can last for years, where they engage in behaviors like nest building and raising chicks together.
Sheep: Some studies have shown that a significant portion of male sheep exhibit exclusive sexual preferences for other males, suggesting a natural occurrence of homosexuality in these animals.
Giraffes: Male giraffes have been observed engaging in same-sex courtship and mating behaviors, which can include necking (rubbing necks together) and mounting.
Bison: Same-sex mounting and courtship behaviors have been documented in both male and female bison, indicating that homosexuality is a natural part of their behavior.