This video from Canada says about itself:
Grosbeaks Galore In Snowy Ontario – Feb. 6, 2019
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?
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.