Birds that Hibernate in Lakes?!

MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth  - Buy our merch: http://dftba.com/minuteearth  - Buy our book: https://minuteearth.com/books  - Sign up to our newsletter: http://news.minuteearth.com  - Share with your friends and family  - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices