The adult Long-crested Eagle is overall very dark brown or black, except for white patches at the joint of the wing both above and below, white under-wing coverts spotted with black, a white base to the tail and greyish brown tarsi. The eyes golden to reddish brown, the cere and feet yellow.
Immatures can be distinguished from the adult by the whiter tips of the neck feathers, the less prominent crest, and a generally more mottled appearance. The eyes are dark olive-brown, the feet and cere pale ochre-yellow.
Long-crested Eagle can easily be seen in Kenya thought out Nairobi, Maasai Mara, Lake Nakuru National Park,Amboseli, Tsavo East and West National Park.