The Great Green Macaw

Casuarius unappendiculatus, it has hard and stiff black plumage, blue facial skin and a casque on top of the head. It has a bright red or yellow colored neck and wattle. The feet are huge and strong with long, dagger-like claw on its inner toe. The sexes are similar. The male, at 37 kilograms (82 lb), is smaller than female, at 58 kilograms (130 lb). These birds are between 165–175 cm (65–69 in) in height.

Source: Wikipedia.org