red-tailed black cockatoo

Red-tailed black cockatoo: (Calyptorhynchus banksii) exhibits sexual dimorphism. The male is completely black except for the sides of the tail which are bright red in color. The upper part of the head is a long crest that starts from the front and goes to the nape of the neck. The bill is dark grey. The females are slightly smaller. Show blackish-brown plumage with yellow-orange stripes on the tail and breast. Cheeks and wings are covered with … Read more