[Savannah sparrow in Palo Alto, CA?]

 

1 minute ago, The Bird Nuts said:

Savannah Sparrow is correct.  Also note the thin pink bill and short tail.

Agree with Savanah Sparrow.

[Cooper's Hawk]

10 minutes ago, Jefferson Shank said:

It's a Red-shouldered Hawk. Note the translucent crescents on the last picture.

Agree with Red-shouldered Hawk.

[?Raptor]

Agree with Mourning Dove.

[red-brested right?]

44 minutes ago, Kevin said:

@Sneat Welcome to Whatbird!

Thanks!

[red-brested right?]

Yes, looks good for Red-breasted Merganser. Note the thin, upturned red bill and lack of contrast between the breast and head.