Posted at 8:19 AM on May 8, 2008
by Julia Schrenkler
Forget the canary in the coal mine, it turns out birds are a good gauge for other environmental factors. From the latest Minnesota Public Radio video description,
"Although some birds are dying because of the late spring, these swallows at the Carlos Avery Wildlife Refuge north of the Twin Cities area are thriving."
All those interested in birdwatching from their desk are invited to watch and comment on this video: