Alaska species accounts, part 3, v4222
Page 67
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmes,R 1960 Erolia alpina 9. 10 june Barrow, Alaska The tail was not spread nor raised + Seemed to be in normal position. The head was thrust forward so that it was Approx. in the same plane as the body. The aerial thrill was given while The bird was in the perching (which was held for about 10 seconds, while the bird walked behind to & with a slight sway). The & pair in attention and continued feed. The other r(c) turned and walked in the other direction After the & finished this display. I had been standing about 10 feet away the entire time. The second to third times they encountered each other, The 2 & recognized each other by the wing raising, but & was seen to give only a minor version of the display. Both times, he lowered the wing to a horizontal position + gave part (1th) trials without moving from his position + then he walked normally, after the female. It seemed that A was doing this courtship behavior for B than not concerned about c. However, John C was closely, A was more