The BPA has just released details of its plan to cut spills over the dams.
It has listed "avian predation" as one target for mitigating the effects.
Their intent appears to be to target Cormorants and Caspian Terns.
The web site for details is

www.salmonrecovery.gov

It looks like they are taking comments through April 7.

Diane Bagues
Milwaukie, Oregon
dbagues at earthlink.net