Alaska species accounts, part 2, v4221
Page 393
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holmes,R. 1961 Erolia melanotus 4 June Barrow Alaska Several birds seen today - these were on the exposed bluff overlooking the family layon - between Britta's & Vath's areas. I would guess 6-7 different 8? were seen. In one case three were seen being chased by another, indicating that this one individual was already settled, while the other three were just moving in. Another similar case was noted just east /Vath's area. A 9 was feeding on a grassy sedge slope. A 8? flew in landed about 2 feet away, immediately went into its courtship posture - tail cocked, and not spread. Wings held in normal position, possibly slightly drooped, head held high but bill nearly horizontal - Throat sagging & slightly bulged. - see attached diagram. The 8? moved in a circle around the 9 in this posture about twice when another 8? flew in, landed, called (could see beak move - but wind obscured sound) & The 1st male flew off, followed by the aggressor & a chase ensued, The 2nd 8? displaying violently with the throat sacs. The 9 continued to feed. After watching the 9 for about 10 minutes, she gradually worked her way up to the 8?, who was now feeding. When he first saw her, she was no more than 5' away & he immediately assumed