Alaska species accounts, part 4, v4284
Page 433
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmes,R. 1960 Nyctea scandiaca 29 June Barrow-Iknaailk, Alaska attempt by flying over lows. The 8 performed a disturbance display several times. Usually it consisted of he standing along the edge of the old hole bed or dug among the polygons & flapping his wings rather erratically with the wings occasionally being held in the horizontal plane with the tips dropped, and the tail cocked. Once while he was at the edge of the marsh he assumed this position with wings spread out and tail cocked and head forward. In this position he moved slowly over the ground and as he did so he textured back and forth. The mouse calls grinze during these periods of disturbance are usually various grunts, occasional deep hoots, and while in the air, bill clacking is quite common. It might also be mentioned that this bill clicking is also done by the young on the nests when they are disturbed. On the way to the wanaga is the