North American birds surviving winter cold

This video from Canada says about itself:

Grosbeaks Galore In Snowy Ontario – Feb. 6, 2019

Pine Grosbeaks dine with a male Evening Grosbeak and a Common Redpoll at the Ontario feeders.

Watch online with highlight clips and information about the birds here.

From the Cornell Lab of Ornithology in the USA:

How Do Birds Survive a Frigid Winter?

Birds that stay north in the winter face two daily challenges: don’t freeze, and don’t starve.

How do they do it? Scientist and author Bernd Heinrich reveals some of the strategies birds use—from freeze-proof toes, to building snow dens, to tipping each other off about food locations. Read more in Living Bird magazine.