Alaska species accounts, part 3, v4222
Page 227
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmes,R 1962 Erolia alpina 18 June Barrow, Alaska Aerial display - head from 1 individual along Mt. Beard Ridge - west of gasoline. Flutter a quivering wings for 3sec - glide a out stretched down - curved wings for 6-10 sec - then flush again. All the while The bird was uttering The churring - kraa, kraa, kraa,... Once - wings were set at weld V - feet up gave - when dropped in pitch - bird lost some altitude - but regained it when quivering - shelling flight was resumed. This was all taking place at 78 to 100'. Finally - wings set at 45° < V for bird spiralled down - given a loud, down - out - grill rubbin trypudi pitch. The bird landed with both wings held vertical, - The lobby Then - slowly to c deliberate manner. Wing still held at verticals reglades Even though 1 of several primaries are missing. 20 June Keroabike - 2 nests found - 1 - 200' WNW of warmigan +1 200' - off Cannigan - both with 4 eggs - in tall (3-3") grass on large grassy polygons. Several other birds displaying on The north plot - see census note. Wings are shell been held aloft for ½ to 1 sec - pre landing. 2 June A nest was located on the plot - with 4 eggs - The [illegible] meadowlark bird gave a