Yesterday afternoon (12/12) I was fortunate to see two male Great-tailed Grackles at Coyote Hills Regional Park in Fremont. What elegant birds they are!
Several times they landed for easy views in a tree in the first parking lot and also in a tree along the water next to the road leading to the Visitors Center.

Here's a photo of one flying:

https://bit.ly/2QRBZxr