ML510920501
Contributor
Joe Grzybowski Media from this contributor Profile
Date
Location
Foss Lake--Sandy Beach
Custer, Oklahoma, United States
Media from this location Illustrated Checklist- Age
- Not specified
- Sex
- Not specified
Observation details
Photos added. Note also photo in 30 Nov 2022 observation. Black duck-type individual with dark body and pale head and neck plumage. Eye line and slightly darker crown. Bill plain and unmarked and orange yellow (indicating female by several examining photos). Tail brown to tan, not white as in female Mallards and potential hybrids (noted most prominently in photo of bird flying away. Under tail and underparts plumage continuously dark as expected in Mexican Duck. Speculum bordered white in front and behind, not quite as prominently as in Mallard consistent with that expected in Mexican Duck and excluding American Black Duck and Mottled Duck.
Technical information
- Model
- Canon EOS R7
- Lens
- EF100-400mm f/4.5-5.6L IS USM
- ISO
- 800
- Focal length
- 400 mm
- Flash
- Flash did not fire
- f-stop
- f/6.3
- Shutter speed
- 1/640 sec
- Dimensions
- 1731 pixels x 1060 pixels
- Original file size
- 778.04 KB