: In prairie voles , the release of dopamine after mating is so powerful that it compels them to stay together for life; they often won't choose a new partner even if their mate dies. 2. Iconic Animal "Love Stories"
Same-sex relationships are not unique to humans. Many animal species exhibit same-sex behavior, including giraffes, elephants, and lions. In some cases, same-sex pairs will form long-term bonds, while in others, it may be a way to strengthen social bonds or reduce stress. xhamster sex animal videos hot