Tree Swallow

The white underside of the Tree Swallow shows clearly as this bird grips to a small twig.

Add to Lightbox Download

Filename: Tree Swallow-Wylie Slough-Connor-5293.jpg
Copyright: © G. Thomas Bancroft
Image Size: 1349x900 / 96.6KB; 19 Hirundinidae 23 Passeriformes Birds Public Lands Skagit County Tree Swallow (Tachycineta bicolor) Wildlife Management Area Wylie Slough