Oct 6, 2023, 09:28 AM IST
Swans are animals that live in pairs. Once the eggs are laid, it is the female who takes care of them, although the male usually replaces her on occasion.
Parakeets are social animals that can feel lonely and sad when they have no company. They need a partner alongside them in their cage in order to be happy, and once acquainted, they won't leave each other's side. The death of a companion or partner is terrible for the parakeet as many may suffer from extreme anxiety.
Males co-parent the young by helping to keep the eggs warm and by feeding the chicks once they have hatched.
This species of bird is known to show a bond within couples. They often engage in what is known as "unison calling".”
Most breeding pairs of macaroni penguins are monogamous. Once their eggs hatch, the male stays with the chicks while the female hunts for food.
These tree-dwelling apes act like humans in that they occasionally cheat on their mates, sometimes break up, and later get back together again. Affection is exhibited among devoted gibbon couples through mutual grooming and by co-parenting their young.
Wolf packs live within a strict social hierarchy, led by the alpha male and his mate, with whom he stays for life.
A Eurasian beaver remains faithful once a relationship has been established. However, the mechanism behind their pair bonding remains a mystery to biologists.