Swans are famous for their lifelong pair bonds and graceful displays of affection.
Doves represent peace and romantic love, often seen in pairs cuddling close.
Lovebirds live up to their name, always staying close to their chosen partner.
Albatrosses travel thousands of miles but return to the same mate every year.
Penguins, especially Emperor penguins, form strong pair bonds and co-parent equally.
Bald Eagles mate for life and work together to build massive nests.
Barn Owls show high levels of monogamy and vocal bonding.
Scarlet Macaws are loyal parrots that stick with one mate for life.
Sandhill Cranes perform elegant dances to strengthen lifelong partnerships.