Wiktionary
long-legged buzzard
n. ''Buteo rufinus'', a bird of prey in the ''Buteo'' genus.
Wikipedia
Long-legged buzzard
The long-legged buzzard (Buteo rufinus) is a bird of prey in the Buteo genus. It is similar in appearance to the rough-legged buzzard (Buteo lagopus), but it is larger and more robust.