Feeding North American birds in winter, how?

This video from New York state in the USA says about itself:

Carolina Wren Samples Offerings At Cornell Feeders – Dec. 9, 2019

A Carolina Wren stops by the Cornell Lab FeederWatch cam to inspect the suet, seeds, and the snowman seed character!

From the Cornell Lab of Ornithology in the USA:

With the right feeder setup, winter can be one of the best—and coziest—seasons for bird watching. Here’s a starter pack of our most popular articles on the how, why, and what to do:

• Best feeder? Here’s how to choose.
• Which foods? Favorite foods of many common species.
• Bird food basics. A guide to the main types of bird food.
• Water. It’s easy to offer a birdbath, even in winter.
• Sanitation. How and how often to clean your feeders.
• Survival. How do birds survive frigid temperatures?
• Squirrels. Our readers’ top 9 squirrel strategies.
• Who’s the boss? When 136 species show up at a feeder, which one wins?
• Why do we feed birds anyway? A Q&A with our experts

Make Sure Your Backyard Birds Count! Join Project FeederWatch this winter. You’ll have more fun with your feeders—and help our scientists keep track of changes in bird populations.