English
and Scientific names: |
Black-legged
Kittiwake.
Rissa tridactyla
|
Number
of individuals: |
one immature |
Locality:
LOUISIANA: |
Gulf of Mexico, Outer Continental Shelf, Green Canyon Block 610. |
Specific
Locality: |
Latitude 27d 19'N, |
Date(s)
when observed: |
Decemder 24, 2006 |
Time(s)
of day when observed: |
Early afternoon |
Reporting
observer and address: |
Brad Martin |
Other observers accompanying
reporter who also identified the bird(s): |
Leif Halverson |
Other observers who
independently identified the bird(s) |
|
Light conditions
(position of bird in relation to shade and to direction and amount of light): |
Overcast. |
Optical
equipment: |
8X42 Celestron Regal binocular. Excellent. Nikon N70s with 400mm vibration reduction lense. Excellent |
Distance
to bird(s): |
300 feet. |
Duration
of observation: |
Several hours. |
Habitat:
|
Open Ocean |
Behavior
of bird: |
Bird was flying, feeding and resting on water with a flock of Pomarine Jaegers. |
Description: |
Small gull size. Grey back with Black leading edge of wings, forming M pattern. Grey cheek mark and dark band on upper side of neck. White tail with black tip. Black bill. |
Voice: |
Not heard |
Similar species: |
Juvenile Bonapartes Gull is similar but lacks neck band and has more white on outer wing. |
Photographs or tape
recordings obtained? |
Yes. Four good photos taken by me. Submitted. |
Previous experience with
this species: |
Observed many on a pelagic trip off New York in 1996. |
Identification
aids: |
at time of observation: Kaufman's Birds of
North America and the National Geographic Complete Birds of North America
consulted. |
This
description is written from: |
Description written from photos and notes taken at time of observation. |
Are you positive of your
identification? If not, explain: |
Yes. Everything is right for immature BL Kittewake. Photos reviewed by Steve Cardiff. |
Reporter:
|
Brad Martin
|
Date
and time: |
March 10, 2007. 1:50 pm. |