Homosexual behavior in sheep

Behavior among sheep interpreted as homosexual

Homosexual behavior in sheep has been well documented and studied. The domestic sheep is the only species of mammal except for humans which exhibits exclusive homosexual behavior. "About 10% of rams (males) refuse to mate with ewes (females) but do readily mate with other rams." Thirty percent of all rams demonstrate at least some homosexual behavior. One report on sheep found that 8% of rams exhibited homosexual preferences—that is, even when given a choice, they chose male over female partners. This documented homosexual preference has garnered much discussion. Such rams prefer to court and mount other rams only, even in the presence of estrous ewes. Moreover, around 18–22% of rams are bisexual.

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