Black-billed Magpie Pica hudsonia
Flight call description A series of typically three to six evenly-spaced, husky, rising notes, delivered at a quick pace of about six notes per second.
Fig.1. Colorado July 28, 2001 (MO).
Perched bird.
Examples
Diurnal calling sequence:
1. Colorado July 28, 2001 (MO). Perched bird with House Finch calling in the background.
Similar species Distinctive.
Behavior Limited migratory movements take place during the day.