ML226817901
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Northern Lapwing at Poland, Maine 6 May 2013
观察细节
Upon arriving at 20:03, the bird was foraging at the far end of a small dirt field about 100m to my east. Although the sun had set, it was light enough to see the bird well with two Killdeer. Lapwing ~2 times larger and heavy-bodied. At first as it bent forward, all I saw was the gray nape and hindneck, greenish-brown back and wing coverts, and white underparts with cinnamon washed vent. Soon I saw the long black plumes rising off the crown and toward the back of the head. The cheeks were white, showing as a roundish patch. The anterior portion of the face was black and contiguous with the crown, throat and broad breast band. Small white patch in the supraloral area surrounded by black. The black areas were solidly so (no white flecks). The breast band extended wing to wing and down to the lower breast where it ended in a neat, even curve against the white underparts. At times I could see a greenish-olive iridescence on the lower (anterior) portion of the wing coverts. The bill was short for a plover this size and dark (black?). The legs were dark reddish to dark purplish red. The lapwing foraged in typical plover fashion, walk-stop-peck (worm seen extracted at least once). With these movements, I saw other features. When approached aggresively by a Killdeer, the lapwing lifted its wings and flapped. I could see that the wing linings were gleaming white, forming a broad white panel set-off from the black primaries and dark secondaries. The bird scratched its head once, and the wing seemed to be drooped and a the leg held over the wing. Plovers and shorebirds normally scratch under the wing (direct). Although this bird might have done that with the wing drooped, I have not seen that behavior in plovers before. When the wings were flapped, I saw a narrow patch of white at the tips of the outer 3 primaries. The wing shape was rounded and broad at the tip. Occasionally the bird would shake its head and give a quick quiver of its tail like Killdeer often do. At these times, I could see what appeared to be a darker area of reddish cinnamon on the rump or upper tail. The wing tips fell short of the tail tip by a short distance. In flight, the rump was white. Toward the end of twilight, the bird became restless, moving more rapidly and standing more alertly. At one point it called from the ground and then soon flew in erratic low circuits around the end of the field and over a grassy area downslope to the north. It landed and we repositioned to locate it. Light was nearly gone by this time. At 8:25 p.m., the bird flew again, this time calling several times, giving a characteristic kneee-eep or kneee-ip. It flew erratically again, but this time rising higher and higher. Once it was above the tree tops of the woodland behind and silouetted against the sky, I could see it change course toward the northeast. Looking at maps, I estimated its heading to be 75-80° (ENE). It did not take to this course at once, but weaved back and forth several times gradually narrowing these changes onto one bearing. I watched the bird as it passed into some low condensation like a broken fog. The bird remained visible intermittently as it gained altitude through the more broken parts of this cloud. Eventually, it simply melted into the cloud and was gone, now a good portion of a half mile away. Iain Stenhouse alerted Robby Lambert, who relocated the bird by 18:30. I arrived 13 minutes past sunset; civil twilight ended at 20:22. Also present were Doug Hitchcox, Robby Lambert, Rob Speirs, and Lysle Brinker. A 3rd record for Maine (21 or 22 Dec 1927 Square Lk; 3 Nov 2012 Berwick). My 4th for North America (1991 NB, 1995 NY, 1996 DE, 2013 ME).
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