Alaska species accounts, part 4, v4284
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Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmes,R 1962 Erolia ferruginea 12 June Barrow, Alaska went beyond the rump to the 9's head was under arwing before she withdrew it - ie shot past the rump along the flank? No? This courtship Sequence is usually started with a wing flash by the 8 to the 9 - when she is just under away - then he raises the other wing lowers tail, etc. Song? - twitter (?) - See F. m.p. Also, The male is frequently in his hunched posture - even while feeding. As he feeds along - he would suddenly set into a dynamic, raise his tail and start working again. Often he would run in hunched posture - like a mouse-run, to a particular cup, settle into it - go through the nest scrape - when half wings are moved back & forth in the air with the white undertail coverts flashing. This was noted in at least 4 places - within a 50' diameter. One case, after the nest scrape, The bird stood up, picked at several pieces of grass around the cup & picked them up in