Documentation of
Iceland Gull
2015-136
Observer Information
Reporter:
David Dowell
3721 Staghorn Dr,
Longmont,
CO 80503
E-mail:
dave1wx@gmail.com
Other Observers:
none
Species, Date, Time and Location Information
Species:
Iceland Gull
First Date/Time:
4/20/2015 7:20:00 AM
Last Date/Time:
4/20/2015 7:30:00 AM
Duration (total time in view):
10 minutes
County:
Morgan
Specific Location:
Jackson Reservoir
Number:
1
Age:
Immature
Sex:
Unknown
Plumage:
Non-breeding
Habitat
small pond near large lake
Viewing Conditions
Optics:
scope, binoculars, camera
Distance:
500 feet
Light:
cloudy
Description of the Bird
bird seen on pond with Ring-billed and Herring Gulls, ducks, and shorebirds, and then seen briefly in flight
larger than Ring-billed Gulls, smaller than Herring Gulls
gray mantle color similar to that of Ring-billed and Herring Gulls
small yellow bill with dark color towards the tip (consistent with third-cycle Kumlien's Gull)
hints of brownish color in upperwing coverts (also consistent with third-cycle Kumlien's Gull)
white head with no obvious streaking
iris color not discernible in cloudy conditions
folded primaries pale gray with white tips
very limited gray on primaries and white tail on bird in flight
Similar Species Discussion
Thayer's Gull would have much darker primaries.
Glaucous Gull would be larger, larger-billed, and with no gray on primaries.
Resources Used
Howell and Dunn Gulls of the Americas
Sibley Guide to Birds
Previous Experience
four years of experience observing gulls, including Iceland (Kumlien's), Thayer's, and Glaucous
Notes
Notes made AFTER observation
Date Documentation Submitted
12/31/2015 10:29:00 AM
|
Click left or right edges of photos to move through all; click outside image to close
|
|
| |
Location Map
The marker on the map shows an approximation of the location of this report. The marker is generated using a prioritized Logic base:
1) If the observer has entered coordinates, they will be shown.
2) No specific coordinates are available but the location is mappable.
3) A generic location with no specific coordinates is mapped to the center of the reported county.
Powered By Subgurim(http://googlemaps.subgurim.net).
Google Maps ASP.NET