REPORT FORM
1. English and Scientific names: Gray Kingbird (Tyrannus dominicensis) |
2. Number of individuals, sexes, ages, general plumage
(e.g., 2 in alternate plumage): |
1,
likely an adult |
3. Locality: LOUISIANA: Jefferson Parish |
Specific Locality: __ Grand Isle; Corner of Birch Lane and
Orleans Avenue ___ |
4. Date(s) when observed: |
27
April 2013 |
5. Time(s) of day when observed: |
Dawn |
6. Reporting observer and address: |
Jacob C. Cooper KU Natural History Museum Dyche Hall 1345 Jayhawk Blvd. Lawrence, KS 66045-7593 |
7. Other observers accompanying reporter who also identified
the bird(s): |
Van
Remsen, Michael J. Hilferty |
8. Other observers who independently identified the
bird(s): |
Multiple;
complete list unknown |
9. Light conditions (position of bird in relation to shade
and to direction and amount of light): |
Bird
was seen in multiple different positions allowing different levels of light;
was seen from extremely backlit to being in perfect light for identification. |
10. Optical equipment (type, power, condition): |
Kowa 10x42 Binoculars |
11. Distance to bird(s): |
Varied;
as close as 3 meters to 40 meters or so |
12. Duration of observation: |
Unknown;
saw the birds multiple times over the morning. |
13. Habitat: |
Residential
with adjacent fields and marshy ditches. |
14. Behavior of bird / circumstances of observation
(flying, feeding, resting; include and stress habits used in identification;
relate events surrounding observation): |
Originally
seen perched and called out by Van. Michael and I quickly got on the bird and
obtained photographs. It was later seen foraging nearby with a flock of Eastern
Kingbirds. |
15. Description (include only what was actually seen, not
what "should" have been seen; include if possible: total
length/relative size compared to other familiar species, body bulk, shape,
proportions, bill, eye, leg, and plumage characteristics.
Stress features that separate it from similar species): |
The
bird was a large Tyrannus,
possessing a robust bill, grey mantle and light underside with a yellow wash towards
the vent. The bird had a darker grey mask. |
16. Voice: |
Not
noted. |
17. Similar species (include how they were eliminated by
your observation): |
Eastern
Kingbird was eliminated by smaller size, uniform eyeline and head coloration,
and daintier bill. Photograph of direct comparison attached. |
18. Photographs or tape recordings obtained? (by whom? attached?): |
Yes;
two of the most diagnostic by myself are attached. |
19. Previous experience with this species: |
Seen
only a few times in coastal Georgia before this encounter. |
20. Identification aids: (list books, illustrations, other
birders, etc. used in identification): |
|
a. at time of observation: |
Sibley
Guide to Birds, the brain of Van Remsen |
b. after observation: |
N/A. |
21. This description is written from: _____ notes made
during the observation (_____notes attached?);_____notes
made after the observation (date:_____); _X_memory. |
22. Are you positive of your identification if not,
explain: |
Yes.
The bird was a continuing report and was seen extremely well. |
23. Signature of reporter: __Jacob C. Cooper___Date:__5 December 2013_Time:_2:31
PM_ |
|