"Here's one advantage to armadillos' steady northward march across the Southeast United States: They're awfully handy to have as bait if, say, you're a wildlife biologist looking to trap an alligator that has inexplicably settled into your local pond in north Georgia." Part of the explanation for the armadillo's northward migration is probably climate change.
Douglas Fischer reports for The Daily Climate June 20, 2011.
Source: Daily Climate, 06/21/2011