How birds survive the winter?

https://www.allaboutbirds.org/news/how-do-birds-survive-the-winter/?fbclid=IwAR3X_Jlcaycs5tPYOF_o3GyPII1wshZ5w2SNHQc8BcpczYBhXtN_aVWCeqU#

"Blessed are they who see beautiful things in humble places where other people see nothing. "

Camille Pissarro,19th c artist, father of Impressionism