Baby Pacific Parrotlet (Forpus coelestis) Available! Parrotlets are one of the smallest “true parrots”. Parrotlets come in a wide variety of color mutations. They can be a great starter bird for new bird owners. Don’t let their small size fool you, they have giant personalities, and they are extremely intelligent. They are bold, sassy, sweet, and affectionate. Ideally, the minimum cage size for this bird would be 25″ long, 21″ wide and 29″ high with ½” wire spacing.