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Feathers are great for flying—but did you know birds use their feathers for so much more? Find out what secrets birds are hiding from us in this new episode of SciShow!

Hosted by: Hank Green

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Sources:
Sources:

Sounds
http://rspb.royalsocietypublishing.or...
https://academy.allaboutbirds.org/fea...
http://www.sibleyguides.com/2015/04/t...
https://www.smithsonianmag.com/scienc...

Muffle
https://www.cam.ac.uk/research/news/s...
https://www.aps.org/units/dfd/pressro...
https://www.technology.org/2017/08/14...
http://rsfs.royalsocietypublishing.or...

Hearing
https://www.utsc.utoronto.ca/~amason/...
https://www.americanscientist.org/art...
https://www.researchgate.net/publicat...
http://scienceblogs.com/tetrapodzoolo...
https://pdfs.semanticscholar.org/34d4...

Stomach
https://britishbirds.co.uk/wp-content...
http://www.bioone.org/doi/abs/10.1676...
https://web.stanford.edu/group/stanfo...

Fishing
https://sora.unm.edu/sites/default/fi...
https://deepblue.lib.umich.edu/bitstr...
http://www.heronconservation.org/styl...

Water transport
https://www.audubon.org/news/why-woul...
https://www.tandfonline.com/doi/pdf/1...
https://www.researchgate.net/publicat...
https://books.google.com/books?id=Yvm...

Snowshoe
https://sora.unm.edu/sites/default/fi...
https://www.audubon.org/news/ptarmiga...

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Images & Sounds:
https://www.flickr.com/photos/3126735...
https://www.xeno-canto.org/248573
https://commons.wikimedia.org/wiki/Fi...
https://www.xeno-canto.org/133923
https://www.flickr.com/photos/7080498...