Last weekend, for the first time ever, a young male Kirtland’s Warbler turned up in New York City’s Central Park. The endangered little songbird was just a few hundred miles off its typical travel route between the goat farms of the Bahamas and the dew-doused jack pines of northern Michigan. But there it was, strutting about a turkey oak in a metropolis of millions, making birders and photographers go berserk. I got news of the warbler in real time on Friday, thanks to the @BirdCentralPark Twitter feed and the state’s birding listserv. It was spotted by New Yorker Kevin Topping around 5:30 p.m.; his photo confirmed it was the real deal. Step-by-step directions and numerous subway options meant the Kirtland’s was an easy chase for area folks. Travelers with layovers cabbed in from city airports to get a peek at the celebrity, body-bag-size luggage in tow. A rainy forecast also meant the warbler would be grounded through the weekend. The bird was damn near...