Alaska species accounts, part 3, v4222
Page 119
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmes, R. 1961 Erolia alpina 3. 6 June Barrow, Alaska (4-6') and after 100 yards he set his wings in a V-shape & glided to hulled for another 50 feet before landing. No other bird was seen, but it may have been nearby. This individual also raised one wing towards the observer during the feeding period. This wing raising has not appeared before - this year. The north end of the plot was walked in the afternoon. The only RD present were 1 pr. of individuals right at the NE end - see census sheets, The pr was observed flying east & the lone bird then displayed upright mode from several both into their territory - apparently, some boundaries are now in effect. When they landed, a couple of seconds later - the 8" kept both wings held high overhead & walked a few steps & then lowered them to resume feeding. Whether this is just a left for the display flight or an additional signal, I do not know. 7 June Barrow, Alaska One bird watches feeding and again great distances were covered. Feeding seems to take place both in the wet troughs & the drier, drained grasslands. The animal still may linger even in its entirety on the ground within no special posturing. However, occurs a wing or more