Try this web-site. The data from what I've read only goes to 2000, but the
results look to be the same.
>From: Dana Rohleder <[log in to unmask]>
>Reply-To: Vermont Birds <[log in to unmask]>
>To: [log in to unmask]
>Subject: [VTBIRD] Where are they??
>Date: Mon, 3 May 2004 11:18:01 -0400
>Again this year, in my area there seems to be low numbers of normally
>conspicuous species such as Bluebirds, Phoebes, Tree Swallows, and Purple
>Martins. Does anyone have thoughts on whether they may just be late, or are
>there documented population declines in these species?
>Dana C. Rohleder
>Port Kent, NY