Cliff Swallows Tending to Mud Nests Under Bridge
Sunday, April 26th, 2026 at 10:46:36 PM · 2026/Yolo Bypass Wetlands
This photograph captures cliff swallows at their colony of mud nests constructed on the underside of a bridge or overpass structure. Multiple gourd-shaped nests made of mud pellets are attached to the wooden beams and concrete surfaces. Two birds are visible in flight near their nests, likely bringing mud or food. The image showcases the birds' impressive nest-building behavior and their adaptation to human-made structures. The wooden beams and metal pipes create an industrial backdrop for this natural behavior.
Chronologically Adjacent
