1. English and Scientific names: Cassin's Sparrow, Aimophila cassinii |
2. Number of individuals, sexes, ages, general plumage
(e.g., 2 in alternate plumage): |
One
bird |
3. Locality: LOUISIANA: Bossier Parish |
Specific Locality: Case's Landing. (North of Bass Pro
Shop, cross a wide field to a row of concrete pylons. The bird was just beyond the pylons.) |
4. Date(s) when observed |
May
6, 2011 |
5. Time(s) of day when observed: |
Roughly
9:45 to 10:05 AM |
6. Reporting observer and address: |
John
Sevenair, 325 Stafford Place, New Orleans LA 70124; jsevenair@aol.com |
7. Other observers accompanying reporter who also identified
the bird(s): |
Nancy
Newfield, Jay Huner, Carolyn (last name not known to me) |
8. Other observers who independently identified the
bird(s): |
Terry
Davis found the bird |
9. Light conditions (position of bird in relation to shade
and to direction and amount of light): |
The
bird was in full sunlight. We were
looking north; the sun was in the east. |
10. Optical equipment (type, power, condition): |
I
had a pair of Eagle Optics Ranger 10x42 binoculars, but my main instrument
was a Canon EOS 50D camera with 100-400 mm zoom lens |
11. Distance to bird(s): |
30
to 50 feet |
12. Duration of observation: |
About
20 minutes |
13. Habitat: |
A
field with tall leafy weeds. My
companions said giant ragweed but I'm botanically illiterate; see the photos. |
14. Behavior of bird / circumstances of observation
(flying, feeding, resting; include and stress habits used in identification;
relate events surrounding observation): |
The
bird would perch on top of the weeds, often singing. It would fly up about 20', curve
horizontally about 20', and drop down, usually not returning to its original
perch. It sang in the air as well as
when perched. |
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): |
A relatively large, long-tailed sparrow. See
the photos. |
16. Voice: |
The
song was in four parts. The first,
third, and fourth parts were brief; the second part was a longer trill. The voice was loud and distinctive,
matching the recording we listened to earlier (respecting Terry Davis'
wishes, we didn't use a recording at the site). |
17. Similar species (include how they were eliminated by
your observation): |
The
song is distinctive. Also, see the
photos. |
18. Photographs or tape recordings obtained? (by whom? attached?): |
The
photos I took are attached. |
19. Previous experience with this species: |
I
saw several in Cimarron and Pawnee national grasslands in 2009. |
20. Identification aids: (list books, illustrations, other
birders, etc. used in identification): |
Beforehand:
Nancy had a recording of the Cassin's Sparrow song. |
a. at time of observation: |
My
companions |
b. after observation: |
I
checked Cornell's Birdsource online to find the scientific name and used The Sibley Guide to Birds |
21. This description is written from: __X__ notes made
during the observation (notes not attached; they give times only);_____notes made after the observation (date:_____); __X__memory.
|
22. Are you positive of your identification if not,
explain: Yes. |
|
|
Date May 7,2011
Time 8:00 AM |