список животных с гомосексуальным поведением: https://ru.wikipedia.org/wiki/%D0%A1%D0%BF%D0%B8%D1%81%D0%BE%D0%BA_%D0%B6%D0%B8%D0%B2%D0%BE%D1%82%D0%BD%D1%8B%D1%85_%D1%81_%D0%B3%D0%BE%D0%BC%D0%BE%D1%81%D0%B5%D0%BA%D1%81%D1%83%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%BC_%D0%BF%D0%BE%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5%D0%BC