As we know, everything is always had it partself, not only among the human, sometime some of species of animal have it too. The above is one view of a couple of lovebird or still be part of genus Agapornis species. It's come from Africa, and some of them is from Madagascar. It's named as the social bird too, that caused always need to the other to grow up the population. As the pet, maybe this animal will be a reference for you.