Records

26. Burke Museum nest record cards=25 (class cards=5); egg sets=1.

Counties

Ferry=2; Grays Harbor=1; Jefferson=1; King=3; Kittitas=1; Okanogan=1; Pend Oreille=6; San Juan=1; Spokane=8; Stevens=1. Location for the egg set (UWBM 3617, from 1880) was “Columbia River”.

First-egg dates

Earliest 16 April (Julian day 106); latest 21 June (Julian day 172).

Clutch size

9 usable records (determined from number of eggs or young). Mean 2.3 eggs or small young. Distribution: 2 eggs or small young (N=6), 3 eggs or small young (N=3).

FSeason and clutch size

Clutch size did not change significantly with season