[xoxoxoBruce]

Originally Posted by Diaphone Jim

It s not in the millions but Hawk Hill just north of the Golden Gate, has about 30,000 raptors from 25 varieties. pass over in a short time every year.


https://en.wikipedia.org/wiki/Hawk_Hill_(California)

Those Hawk Hill birds join the other two fly-ways in the bottleneck at Veracruz.