The SF Bay is an estuary and unique home to dozens of mammals, hundreds of birds and thousands of invertebrates. Learn about the diverse network of plants and animals, and their interactions, that sets the Bay apart from other ecosystems. Explore the phenomenon of interdependence, or the amazing adaptations Bay species have acquired, or just come birding with us.

To explore the biodiversity of bird species in the Bay you’ll need this worksheet. Use it on any of the birds in this video, or look for a bird at home or at school.