ML162656501
Přispěvatel
Datum
Lokalita
- Věk
- Nespecifikováno
- Pohlaví
- Nespecifikováno
Poznámky
shameful image
Podrobnosti k pozorování
I was with Jeremiah Trimble, Luke Seitz, Jeffrey Offermann, Noah Gibb, and Leon Mooney when we heard a faint and dismissible cooing in the dead trees and drainage north of the Underhill Trail and south of the area behind Donna Cundy's house (east side of Lobster Cove Road at Cabot Lane). Jeremiah quickly recognized that it was the collared dove. What I heard was a three-syllable song with second syllable longer and last lower and shorter: coo-coooo-cu (faint recording obtained). After we repositioned, Noah spotted the bird perched some distance away near the top of a tree (poor image obtained). I noted that this was a very pale whitish-tan dove with a somewhat stocky appearance compared to the Mourning Doves around. The primaries contrasted darker than wing coverts on the folded wing, a thin black bar was barely visible across the lower hindneck. The wing coverts appeared somewhat mottled, some feather paler and some darker and grayer. The underparts appeared to be uniform cream to buff cream, the anterior parts perhaps tinged pinkish-tan. I could not discern the tail pattern. The bird flew, and I could see the underwings flash white and the underparts were indeed quite pale; as it banked, the upper wing presented a dark, light, medium pattern from primaries, inner wing, and back, respectively. Again, I could not determine the exact tail pattern or undertail coverts pattern. Given the song is distinctive from the closest species, African Collared-Dove (and domesticated forms called Ringed Turtle-Dove), I am confident this was a Eurasian Collard-Dove. The views were not great for me, but enough to match the bird to the call and say it was this species. This is the second record for Maine. The first was 28 May 2013 at Falmouth, Cumberland County. There have been a few reports that could have been this species but did not describe the bird well enough to eliminate African Collared-Dove/Ringed Turtle-Dove or even well enough to eliminate other dove species. One seen by an experienced observer may have been correct, e.g. Doug Suitor reported one 22 June 2018 at Leeds, Androscoggin County (not accepted by ME-BRC). Another lacked details: 7 June 2013 at Searsport, Waldo County (not accepted by ME-BRC). New England has relatively few records of this species compared to the rest of the continental United States (2-3 for MA, potential nesting but few records for CT). The trajectory of expansion both across Europe in the mid-1900s and across North America since the 1970s has been in a west-northwest line. We lie almost ninety degrees perpendicular to that trajectory and direction of dispersal. Indeed, there are now increased records of Eurasian Collared-Dove at sea some 50-70 miles or more off California, from where the next land is very far indeed.
Technické informace
- Model
- Canon EOS 7D Mark II
- Objektiv
- EF100-400mm f/4.5-5.6L IS II USM
- ISO
- 320
- Ohnisková vzdálenost
- 360 mm
- Blesk
- Flash did not fire, auto
- Clonové číslo
- f/7.1
- Expoziční čas
- 1/1250 sec
- Rozměry
- 2400 pixels x 1600 pixels
- Původní velikost souboru
- 1.92 MB