Marsh Mud ManiaWhat's that wiggling and squiggling? Think that brown stuff is just mud? Think again! A living colony of organisms is at work in the mucky-muck. Discover how thesmallest of creatures have the largest impact on the ecosystem. Learn how to filter a mud sample and use our microscopes to investigate ...
Where: AlvisoCost: Free
Return of the SwallowsJoin Art Garibaldi to view barn and cliff swallows at the Refuge. See their nests and view their feeding habits. Meet at the pavilion for a slideshow, and then take a ride in the van to the Dumbarton Fishing Pier. You will learn this species' natural history, unusual homes, and ...
