 Its wingbeats are shallow and "straight-arm".It holds its wings flat, or sometimes in a V, when it glides.Its calls are "a melodious piping "whee-pee-pee-pee", and a long high-pitched "kleee-yeu"", slightly lower-pitched than those of the dark chanting goshawk, or ""peeu-peeu-peeu-pee-pee-pee-pee..."" in the nesting season, the source of its name.