Animals that mate for life: macaroni penguin
Do penguins mate for life? Well, some, but not all. However, more than 90 per cent of birds are monogamous animals, though none of them show affection quite like macaroni penguins. These adorable couples dance when they see each other, called ‘an ecstatic display.’ They puff up their chests, swing their heads side to side, and make a gurgling-like sound. Once their baby is born, the father looks after the chick while the mother hunts for food.
Animals that mate for life: sandhill crane
Humans have love songs and poetry, but sandhill cranes have ‘unison calling’ to profess their bond to the world. Female cranes squawk twice and the male cranes respond with a single squawk. We doubt it would have the same effect on humans.
Animals that mate for life: seahorse
Long before male seahorses carry their babies in the pouch on their stomachs, they flirt with potential mates by intertwining tails and dancing around each other. Female seahorses, on the other hand, can get jealous and compete with each other for a certain male.