The Collaborative International Dictionary
Melierax canorus or musicus
Chanting \Chant"ing\ (ch[.a]nt"[i^]ng), n. Singing, esp. as a chant is sung.
Chanting falcon (Zo["o]l.), an African falcon ( Melierax canorus or musicus). The male has the habit, remarkable in a bird of prey, of singing to his mate, while she is incubating.