by Tina Mitchell Birders are crazy. Well, maybe not every birder. But many qualify, in my opinion. Drive more than 400 miles roundtrip in a snowstorm to see a Streak-backed Oriole from Mexico coming to feeders at Fort Collins? Wacky. Travel 300 miles one way to see a Broad-billed Hummingbird in Grand Junction, a species that you’ve already seen more than once in Arizona? Obsessed. Fly hundreds (if not thousands) of miles to Martha’s Vineyard to see a Red-footed Falcon from Europe? Well, at least in that case, you’d also be in Martha’s Vineyard. So that one may not be…