Alaska species accounts, part 3, v4222
Page 151
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmos, R. 1961 Erolia alpina 23 July Barrow, Alaska So. Wohlschlegel & Elson [1 cocl]. One of the was seen flying in this area. The next was seen alone near the edge of an Arctophila pond with Dysphania mensis - just N of ootpir & due So. of The Fertilizer plots.- coll. Finally, a flying jun. was seen in the S. end of central marsh. - coll. Total RB seen = 6, incl 1 jun. Most birds seem to be feeding at the pond edge or in wet marshy fields. Unfortunately the stomachs of the 3 cocl. above - were almost empty - so little food habit data was obtained. This is a general rule however - that birds are now feeding in the lowland - as opposed to the broyat polygyn type. 24 July One Adult (8") + 2 non-flying chicks were seen r.coll. in Central Marsh just N of the Cener plot (but in the marsh). The 8" gave a stormy distraction display, flutturing away with wings out stretched, uttering the whumpeng cries. 26 July -One flock of 11 birds seen feeding on the ridge area 200 yds west of Delsanga at Skroewk. 7 of these coll.- showed adult Tipulids, beetles, - occas. Small flies in their gizzards. In watching these birds