GREENPOINT — Residents have been advised to prepare for an unusual migration of Manhattanites, who are expected to arrive in Brooklyn on October 24 to observe the borough’s famed autumn leaves, artisanal beverages and other natural wonders.

Sources say the intrepid party will establish base camp at Threes Brewing before venturing onward to Grimm and finally Sauced, assuming the expedition is not permanently delayed by its first round. A printed itinerary exists. It has already been revised twice to include “a quick look at whatever that place is.”

Several participants have reportedly purchased new jackets for the journey. None have confirmed whether they know where the G train goes. One member of the party told the Gazette he planned to “just come over the bridge,” a phrase wildlife officials classify as a display behavior rather than a plan.

We understand there may be trees.”— An excited Manhattan explorer

Local observers have been asked to keep a respectful distance. “If approached, don’t startle them,” one Greenpoint resident said. “Just point toward a brewery and they’ll generally move along.” She added that sudden questions about which way is north can cause the group to cluster on a corner for up to forty minutes.

Organizers insist the excursion is a foliage walk, not a bar crawl, a distinction the Gazette’s editors were unable to verify before press time. The official field guide lists expected sightings as orange leaves, dogs in sweaters, one man explaining that Williamsburg “used to be different,” and a startling number of people saying “we can just walk.”

The advisory remains in effect through last call: do not feed the Manhattanites. They have snacks. They will offer you one, describe where they got it, and then ask whether the neighborhood is “still chill,” a question for which there is no correct answer, only a long silence and a train to catch. ◆