kHz
ML66574541
Contributor
John G Woods Media from this contributor Profile
Date
Location
Mount Revelstoke National Park--Revelstoke Viewpoint
Columbia-Shuswap, British Columbia, Canada
Media from this location Illustrated Checklist- Age and sex
- Immature Unknown sex - X
- Sounds
- Flight call
- Playback
- Playback not used
Media notes
prolonged whistles characteristic of this species over busy viewpoint making recording difficult; normalized to -3dB in segments containing calls
Observation details
2 dark morphs flying over busy viewpoint; calling several times per minute; interacting with each other; immature plumage by fine barring on tai (rather than broad dark & light bars of adultsl; distinctive calls
Technical information
- Recorder
- iPhone
- Microphone
- internal
- Accessories
- none
- Original file size
- 3.24 MB