Thomas Bancroft Photography

Tree Swallow

Tree swallows have blue-green back plumage and a black eye mask. Their undersides are white. Note how long the primaries are on this bird, extending to beyond the tail when folded.

Add to Lightbox Download

Filename: Tree Swallow-Wylie Slough-Connor-5268.jpg
Image Size: 1349x900 / 142.5KB; 19 Hirundinidae 23 Passeriformes Birds Public Lands Skagit County Tree Swallow (Tachycineta bicolor) Wildlife Management Area Wylie Slough
Contained in galleries: Birds

Tree swallows have blue-green back plumage and a black eye mask. Their undersides are white. Note how long the primaries are on this bird, extending to beyond the tail when folded.