For over a year now, chickens have been mysteriously gathering on a vacant lot on 125th Street in Harlem and hanging out on the sidewalk. Corey Kilgannon over at the Times investigates, and a construction worker tells him, “This crazy guy keeps buying them from the market — some animal-right guy, but I think he’s messed up in the head — and he keeps leaving them here. He thinks he’s saving them, but it’s not......