What is the common description of the kestrel's sharp, high-pitched vocalization?

Answer

A loud, chattering 'killy-killy-killy' or a sharp 'kee-kee-kee'

The most common vocalization heard is a rapid, high-pitched series of notes often phonetically transcribed as a chattering 'killy-killy-killy' or a sharp 'kee-kee-kee'.

What is the common description of the kestrel's sharp, high-pitched vocalization?
birdcharacteristickestrel