Alaska species accounts, part 3, v4222
Page 15
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmes.R 1959 Crolia alpina 12 June Barrow, Alaska not observed. One pair was noted copulating. The female was laying on the snow, and the 8 was just flying off when they were first observed. After a second or so, the 4 stood up & flew off after the 8. 1330-1630. Many pairs seen in both Area and the Area S. of the village. The birds are mostly all paired now and can be seen chasing over the tundra. The 8 are often seen in their flight display which may last up to a minute or two or even longer. Upon landing, near a 4, its wings are held high & are then brought slowly into the body. The 4 in this case was seen to raise her wings as the male landed and then lowered them slowly into normal resting position. This seems to be some kind of recognition display. If the 8 lands where there is not a female, he will carry out the same display. In this case, it may be