WHETHER the Cockatiel is a parrot or a cockatoo has been debated for some time.
Their streamlined shape, pointed wings and long, slender tail are parrot-like, but they also possess key anatomical traits of cockatoos – a distinctive crest, a gall bladder, a short, rounded tongue, and powder downs on their lower back.
They also lack the structural pigment in their feathers that gives parrots their...