HAPPENIN’ OTSEGO for SUNDAY, OCTOBER 1 Doggie Walk-A-Thon with Super Heroes Humane Society FUNDRAISER—1 p.m. Doggie Walk-a-thon to support Super Heroes Humane Society. Bring your four-legged friend for an easy 1-mile loop in the park to help rescued animals. $10 entry. Enter to win prizes, raffle baskets. Fortin Park, 101 Youngs Road, Oneonta. (607) 441-3227 or visit https://www.facebook.com/superheroeshs FUNDRAISER—“2023 Bird Seed Sale Fundraiser.” Support the Delaware-Otsego Audubon Society and order bird seed for the winter months. Deadline is 10/22 at 5 p.m.…