ML47646521
Contributor
Ted Floyd Media from this contributor Profile
Date
Location
Boulder Reservoir complex--Boulder Reservoir
Boulder, Colorado, United States
Media from this location Illustrated Checklist- Age and sex
- Immature Unknown sex - X
Media notes
Note large-bodied aspect, blocky head, large black bill, and "salt-and-pepper" mantle.
Observation details
I first saw it, briefly, along the north beach, where it stood out as larger and blockier than nearby Herring Gulls. The big bill, blocky head, and "salt-and-pepper" mantle stood out. The flock soon took off, with the Great Black-backed going out into the middle of the reservoir. See below, distant/grainy but diagnostic photos.
Technical information
- Model
- Canon PowerShot SX50 HS
- ISO
- 80
- Focal length
- 215 mm
- Flash
- Flash did not fire, auto
- f-stop
- f/6.5
- Shutter speed
- 1/250 sec
- Dimensions
- 4000 pixels x 3000 pixels
- Original file size
- 1.84 MB