Alaska field notes, v4437
Page 187
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Transcription
JPhyev 1977 Calidris melanotos Barrow, Alaska 16 July notes on gg collected 14 July #1 69.2 g, incubation patch bare but refeathering. longest pin feathers along periphery 8mm long. Capulovs, 2° coverts very worn. body molt co/ pin feathers on neck up to 6mm. largest follicle to 1.6mm. ovary saved. most follicles within size range of 0.5 to 1mm. #2 68.7g incubation patch bare, refeathering, length of feathers to 10mm along periphery. Feathers sparse but present throughout incubation patch. long pin feathers on lower neck along breast line; but molt not as far advanced as #1. follicles to 1mm, some yellow. smaller ovary than other g. summary: neither with pronounced evidence of breeding. both with incubation patches being replenished with feathers, but more advanced in #1. (6/16 C) 16 July Wade River Ericilson + Shuford report high numbers of migrating melanotos around the Wade River. Flocks of 20- mixed w/ 8° moving NE. A few stopping to feed, save for a large concentration between Pinga and Pongo Lake (7,24). Proudue Bay 19 July precious few melanotos about save for the occasional (woody) g. One flock of gg (20) seen gyderday when we arrived. On today long linker no flockin, but one group of 5-8° foraging in dispersed pattern on lake shore (SW side) w/ Arenaria and Xema. Could be TB's but could not force intrudn. 20 July saw several flocks of melanotos (see Journal) - 1 of 20 mixed 8°+g, another 5-8°, then encountered low densities of (woody) g around lake margins. Pt. Storkusen. 21 July 1 flock 50+ pectorals, mixed 8°g. Brooks, g present. talking w/ 2 of Dirkson's people found out they had a bi-modal nesting season within a reoccurence of day/day in