Red Crossbill flight calls
Fig.5. New Jersey December 13, 1997 (MO).
Type 2 call form bird in flight.
Fig.6. Maryland January 2, 1998 (MO).
Type 4 call from bird in flight.
Diurnal calling sequences:
Individual birds
1. Tennessee June 20, 2001 (WRE). Type 1 in flight. Golden-crowned Kinglet, Eastern Towhee, and Chestnut-sided Warbler in the background.
2. Tennessee June 20, 2001 (WRE). Type 1 in flight.
3. New Jersey December 13, 1997 (MO). Type 2 in flight.
4. New Jersey January 1, 1998 (MO). Type 3 perched.
5. New Jersey December 11, 1997 (MO). Type 3 in flight.
6. Maryland January 2, 1998 (MO). Type 4 in flight.
Flock sounds
6. Ontario November 29, 2000 (WRE). Type 2.
7. Maryland January 6, 1998 (MO). Type 4.
8. Minnesota November 26, 2000 (WRE). Type 4.
9. Minnesota November 26, 2000 (WRE). Type 4 (different flock than Example 8).
10. New Jersey December 11, 1997 (MO). Mixed flock of types 2, 3, and 4 in flight.
11. New Jersey December 13, 1997 (MO). Mixed flock of types 2, 3, and 4 in flight. Same flock as in example 10.