secretary bird 
noun
A slender long-legged African bird of prey that feeds on snakes, having a crest likened to a quill pen stuck behind the ear.
- Sagittarius serpentarius, the only member of the family Sagittariidae.
- We stopped and scanned the horizon with binoculars, spotting a family of warthogs and a secretary bird.
- The birds are also in plenty: secretary birds, cranes, stork, vultures and ostriches.