Male-Male Sexual Interactions Between an Adult and a Calf Killer Whale (Orcinus orca) of the Falkland Islands.

The article reports that same-sex behavior has been documented in a wide range of animal taxa and is a common feature of social species. Topics include examines the functional and evolutionary significance of same-sex behavior in animals is uncertain as samesex behavior can be used to promote social bonds between same-sex individuals, to maintain dominant/subordinate relationships without aggression or to promote reconciliation after it.