You never used to be able to go to a Kmart and buy birdfeeding supplies. People have discovered this is a huge opportunity. Equipment choices are plentiful, although some of the elaborate architectural details of feeders and houses are geared more to human nature than nature. Birds simply want the food. Especially in winter.
Insect dinners are but a memory.
Drinking water turns to ice. Shorter days cut the hours birds can forage for food. Here are a few tips for homeowners who'd like to help birds through winter. Condo owners and renters would need only a patio or balcony to join in. Start with a basic items, experiment and then upgrade as merited.