Regular bird-feeder cleaning matters even in winter. The Pennsylvania Game Commission and Cornell explain how to help protect backyard birds from disease.
Regular bird-feeder cleaning matters even in winter. The Pennsylvania Game Commission and Cornell explain how to help protect backyard birds from disease.
A realistic beginner guide to backpack weight, base weight, food, water, comfort, terrain, fitness, and reducing unnecessary gear without chasing ultralight numbers.
Choose footwear for muddy Pennsylvania trails by comparing boots, trail runners, tread, waterproof membranes, drainage, socks, gaiters, and fit.