Homosexuality may have evolved for social, not sexual reasons
List of mammals displaying homosexual behavior - Wikipedia
Overturning 'Darwin's paradox'
Homosexual behavior in animals - Wikipedia
Animals and homophobia: Are humans the only species that discriminates against gays?
BBC - Earth - Are there any homosexual animals?
BBC - Earth - We have the wrong idea about males, females and sex
Gay Animals Who Prove Same-Sex Love Is Natural
Farmer Sutra! Are gay rams really a problem in the sheep industry? | Farming | The Guardian
Can Dogs & Cats Be Gay? | Hill's Pet
Darwinian Paradox': How same-sex mating in animals has been perplexing scientists for years | The Independent | The Independent
Are there gay animals in nature? Homosexuality in the animal world
Are 90% of giraffes gay – or have their loving looks been misunderstood? | Animal behaviour | The Guardian
There is no homophobia in the animal kingdom | Environment| All topics from climate change to conservation | DW | 02.08.2017
Are there gay animals in nature? Homosexuality in the animal world
Animal Homosexuality
Gay Animals Who Prove Same-Sex Love Is Natural
BBC - Earth - Are there any homosexual animals?
There is no homophobia in the animal kingdom | Environment| All topics from climate change to conservation | DW | 02.08.2017
An alternative hypothesis for the evolution of same-sex sexual behaviour in animals | Nature Ecology & Evolution
There is no homophobia in the animal kingdom | Environment| All topics from climate change to conservation | DW | 02.08.2017
Scientists explore the evolution of animal homosexuality | Imperial News | Imperial College London
Queer creatures › Science Features (ABC Science)
