You might want to have a look at:

http://www.mbr-pwrc.usgs.gov/bbs/cbc.html

and re: eagles:

http://www.mbr-pwrc.usgs.gov/bbs/cbcgr/h3520gr.html

The data is a bit misleading, of course, since many (perhaps
most) winter eagles migrate down from Canada where the
environment is (argueably) more pristine...

Don Baccus wrote:
>

>
> So this AM I went to the Cornell site to look at the CBC
> data the guy cited myself, but unfortunately they don't
> have a database search function for "total numbers of
> one species counted in the entire country for the decade
> 1960-1970". You have to restrict yourself to specific
> count circles.
>

--
Mike Patterson I don't swear for the hell of it.
Astoria, OR Language is a poor enough means of communication
mpatters at orednet.org and we've got to use all the words we've got....
Besides, there are damn few words anybody understands
Henry Drummond in "Inherit the Wind"

http://www.pacifier.com/~mpatters/bird/bird.html