Bushtit
Psaltriparus
minimus
Common in shrubby growth, open woodlands, and residential areas throughout Puget Trough lowlands, becoming uncommon and local at moderate elevation in Cascade foothills and river valleys. In Kittitas County, uncommon and local during BBA period in vicinity of Yakima River near Cle Elum and at mouth of Umtanum Creek, with nesting first discovered in 1989 (Opperman 1992). Kittitas County populations may represent extension of population farther south in Yakima/Columbia River drainage (P.m. minimus; Stepniewski 1999), or may instead have dispersed east over lower Cascade passes from Puget Sound populations (P.m. saturatus).
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