kHz
Contributor
Jelmer Poelstra Media from this contributor Profile
Date
Location
Flat River Waterfowl Impoundment
Durham, North Carolina, United States
Media from this location Illustrated Checklist- Age and sex
- Unknown age, Unknown sex - X
- Sounds
- Flight call
- Playback
- Playback not used
Observation details
Heard-only, during twilight, changed from Yellow-crowned to Black-crowned based on sound-recording.
Technical information
- Recorder
- Sony PCM-M10.
- Microphone
- Accessories
- Original file size
- 3.61 MB