Cliff Swallow Nesting Colony Under Building Eaves
Sunday, April 26th, 2026 at 10:46:24 PM · 2026/Yolo Bypass Wetlands
This photograph captures a group of Cliff Swallows at their nesting site, with multiple gourd-shaped mud nests attached to the underside of building eaves. The distinctive mud nests show the birds' remarkable construction abilities, built from hundreds of mud pellets. Several swallows are visible among the nests, with their rufous-colored throats and faces characteristic of the species. The image shows the natural behavior of these colonial nesters in an urban or semi-urban environment, demonstrating how these birds adapt to human structures. The wooden beams and metal framework provide the substrate for their nesting colony.
Chronologically Adjacent
