Cliff Swallow Nest Under Bridge at Yolo Bypass
Sunday, April 26th, 2026 at 10:46:15 PM · 2026/Yolo Bypass Wetlands
This close-up photograph captures a mud nest built by cliff swallows attached to the interior corner of what appears to be a bridge or overpass structure. The nest, constructed from countless small mud pellets, displays the characteristic gourd or flask shape with an entrance tunnel. The nest is positioned in a protected alcove formed by the bridge's structural elements, including visible metal beams and concrete surfaces. The weathered, tan-colored surfaces of the bridge show signs of age and use. The image provides an intimate look at the nesting habits of these colonial birds that traditionally nested on cliff faces but have adapted to human-made structures.
Chronologically Adjacent