Peterson Field Guide to Bird Sounds
Willow Flycatcher (Eastern)
- Song
- Frederick, Maryland, United States EAST WEST
- Song
- New Hampshire, United States
- Flight Song
- Frederick, Maryland, United States
- Flight Song
- Frederick, Maryland, United States
- Zree-beer
- Tompkins, New York, United States EAST WEST
- Pip & Song
- Hampshire, Massachusetts, United States
- Whit
- Tompkins, New York, United States EAST WEST
- Whit
- Wayne, New York, United States
Willow Flycatcher (Northwestern)
- Song
- Coos, Oregon, United States
- Song
- Oregon, United States
- Zree-beer
- Harney, Oregon, United States
- Zree-beer
- California, United States
- Walla Walla, Washington, United States EAST WEST
- Twitter & Song
- Washington, United States
- Twitter & Pweew
- Washington, United States
- Pweew, etc.
- Harney, Oregon, United States EAST WEST
- Pweew & Twitter
- Oregon, United States
- Pip
- Washington, United States EAST WEST
- Pip
- California, United States
- Whit
- California, United States
Willow Flycatcher (Southwestern)
- Song
- Kern, California, United States WEST
- Song
- Utah, United States
- Zree-beer
- Kern, California, United States
- Zree-beer
- Utah, United States
- Excited calls & Twitter
- California, United States
- Pip
- Utah, United States
- Whit
- California, United States
- Whit
- Arizona, United States
EAST
Recording illustrated in the Eastern guide
WEST
Recording illustrated in the Western guide