Leucistic dark-eyed junco in Canada

This 17 March 2020 video from Canada says about itself:

Leucistic Dark-eyed Junco

Leucism is a condition in which there is partial loss of pigmentation in an animal—which causes white, pale, or patchy coloration of the skin, hair, feathers, scales or cuticle, but not the eyes.

It was snowing Dark-eyed Juncos today at #Brooklyn Bridge Park, Pier 1. #nyc #birding #birds #birdtwitter pic.twitter.com/OtsYkJZRaB

— Heather Wolf (@heatherwolf) October 25, 2020