Hayward Regional Shoreline is a beautiful place to hike, run, or bike. There are thousands of birds coming in and out, and you'll have an opportunity to watch them feed if you time it right. The best time to see them is at low tide. You can see a tide chart here. You may want to review this site to better understand the types of birds you will see. There is also an interpretive center located right at the shoreline. It's that brown shingled building you see as you drive by on Highway 92.
This video was taken on a rainy afternoon on January 13th, 2011.