American Tree Sparrow diurnal flight calls
Fig.2. New York March 3, 1989 (WRE).
Perched bird.
Fig.3. New York March 3, 1989 (WRE).
Perched bird.
Fig.4. Kansas November 22, 2000 (WRE).
Perched bird.
Diurnal calling sequences:
1. New York March 3, 1989 (WRE). Several perched birds
2. New York March 3, 1989 (WRE). Several perched birds. Same individuals as ex.1.
3. New York March 14, 1989 (WRE). Several perched birds with Northern Cardinal chips and song in the background.