ML252739341
Rufous/Allen's Hummingbird Selasphorus rufus/sasin
Contributor
Norman Pillsbury Media from this contributor Profile
Date
Location
The Lakes--Private Property
San Luis Obispo, California, United States
Media from this location Illustrated Checklist- Age
- Not specified
- Sex
- Not specified
- Playback
- Not specified
Observation details
Last spectral frequency graph: upper graph (black on white background) shows db normalized sound to -3db. Lower graph (red on black background) shows frequency ranging from 2Khz to as high as 15Khz. Apparently we hear only a portion of their actual sound. This segment shows a 1.3 second burst of chase call sounds.
Technical information
- Recorder
- Microphone
- Accessories
- Original file size
- 1.52 MB