We are a commune of inquiring, skeptical, politically centrist, capitalist, anglophile, traditionalist New England Yankee humans, humanoids, and animals with many interests beyond and above politics. Each of us has had a high-school education (or GED), but all had ADD so didn't pay attention very well, especially the dogs. Each one of us does "try my best to be just like I am," and none of us enjoys working for others, including for Maggie, from whom we receive neither a nickel nor a dime. Freedom from nags, cranks, government, do-gooders, control-freaks and idiots is all that we ask for.
There are other jays in North America, but the bold and noisy Blue Jay of eastern North America is the most familiar. Like some other bird species, the Blue Jay is not so much common as it is conspicuous.
A mystery about Blue Jays is their migration. When I lived on Riverside Drive in NYC a century or two ago I watched thousands of Jays flying south in early October, all day long, through Riverside Park. I was confused by that, because Blue Jays are wintertime residents in the Northeast.
I suspect that Blue Jays, along with other species, move a bit south but within their breeding ranges (like Robins, Red-Tailed Hawks, and others). There is some evidence that yearling birds are more likely to travel.
Thus, in wintertime, New England Jays might be Quebec or Ontario breeders, or might be local breeders. Can't tell the difference.
What we are seeing here in Tucson is the migration of Mexican long tailed bats which empty our hummingbird feeders at night. It is cooler now and they are moving on but I did see one this morning at my feeder in front of the house. They are much bigger than the little bats that stay all year and eat mosquitoes.