Alaska species accounts, v4430
Page 565
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Marlee 1967 C. alpina 19 August] flocks of adults. Much upland feeding. It now appears that the birds move to pond eggs until the tipula developing from this years eggs are large enough to represent useable food. The flock of immatures and most of the lone imm. were in ponds or floored polygon troughs. Their bills may still be too soft for jabbing in hard ground. A trapline & bar moderate fare- Deposition appears to be underway. 20 August Still many birds in FAA - So. Salt Lagoon area. Birds were dispersed in small groups of up to 10, plus one flock of ca. 25. Collected an immature from a floored trough - SII 832 (Feeding obs. 330). 21 August About the same - many birds in the area. In the morning birds were dispersed in areas of traplines III & IV. In the afternoon encountered a flock of ca. 30, both adults and immatures, in depression in Beach Ridge near C.E.G.S. Others dispersed in Her Holmes' Morass. It seems that birds have been piling up with the good weather. The onset of cold weather may bring a mass exodus of these and other spp. 22 August Birds were thick in region of traplines III A-B. Adults were definitely