Great Blue Heron Colony at Blue Heron Lake
Golden Gate Park, California.

Photos while monitoring the herons as part of the ‘Colonial Waterbird Nest Monitoring program 2025’ with the San Francisco Bay Bird Observatory.
Click here to read more about SFBBO’s research

As of May 18, 2025, we observed 🪺 7 active nests and 🐣 15 young!

A close-up of a Steller's Jay grasping food between its feet and beak, highlighting the gradient from its black head to blue body.

Shorebird Way Rookery

Texture