Heron-Eagle

Heron-Eagle, Ardeaspiza ibis, is a species of bird of prey in the Accipitridae family. It is closely related to the Bald Eagle and other sea eagles. It is the only species in the genus. It is named after its long legs and black plumes above the eyes.

Based on...
It is based on a Bald Eagle with Great Blue Heron-like characteristics.