San Francisco Bay Flyway Festival – FREE
Mare Island 575 Connolly St., Vallejo20th annual celebration of migration through the San Francisco Bay for more than 1 million shorebirds and hundreds of ducks, geese, hawks, songbirds and other wildlife. There will be bird-watching tours, artwork exhibitions, educational presentations and more. Feb. 19-21. Times and locations of presentations and outings vary; check website.
Free