Baltimore Oriole Icterus galbula
Flight call description A husky, rising "wrayn". Also gives a harsh chatter and a soft "chk" in short flights.
Fig.1. New York June 6, 1989 (WRE).
Perched bird.
Similar species Lower and less ringing than Bobolink. See thrush-like calls.
Behavior Primarily a nocturnal migrant but engages in redetermined migration and limited resumed migration. Gives flight call regularly while perched and in flight during the day although often silent in flight. Rarely gives flight call in nocturnal migration.