[mou] migration maps?

Is anyone aware of current maps (national or state-wide) that indicate what birds have been seen, when, and where? I'm thinking of something that has compiled the current sightings (perhaps mapped by species?) reported in forums like this list. That way those of us who haven't kept records for

[mou] Migration maps

I was woundering if anyone knows of some webpages that have live images that you can see the migration coming in to Minnasota and when it leaves. Mike