Today I Found Out
Why Don't Birds' Legs Freeze (2018x68)
Udgivelsesdato: Mar 11, 2018
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Why Penguins' Feet Don't Freeze
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In this video:
How a bird reacts to the cold depends on what kind of a bird it is and there are a variety of methods they use to keep their legs warm, from the mundane to the much more fascinating.
Want the text version?: http://www.todayifoundout.com/index.php/2014/11/dont-birds-legs-get-cold/
Sources:
http://birding.about.com/od/birdingbasics/a/howbirdskeepwarm.htm
http://www.rspb.org.uk/advice/expert/previous/coldlegs.aspx
http://www.ccmr.cornell.edu/education/ask/?quid=967
http://beyondpenguins.ehe.osu.edu/issue/arctic-and-anarctic-birds/how-do-birds-stay-warm
http://books.google.co.uk/books?id=ykhUs9AQODMC&pg=PA83&dq=birds+cold+feet&hl=en&sa=X&ei=_wpDUqnKMJPU4QSEy4HoDA&ved=0CDEQ6AEwAA#v=onepage&q=birds%20cold%20feet&f=false
http://books.google.co.uk/books?id=yQ8w0E8UHKMC&pg=PT28&dq=duck%27s+have+no+blood+in+their+feet&hl=en&sa=X&ei=-wlDUuLpBsqD4gScqoEw&ved=0CDMQ6AEwAA#v=onepage&q=duck%27s%20have%20no%20blood%20in%20their%20feet&f=false
Image Credit:
https://www.bigstockphoto.com/ru/image-213510445/stock-photo-eggs-in-boiling-water-in-saucepan-on-electric-hob
https://www.bigstockphoto.com/ru/image-226053961/stock-photo-chicken-eggs-boil-in-water-pan-with-the-product-on-a-gas-stove
https://www.bigstockphoto.com/ru/image-194155636/stock-photo-sliced-hard-boiled-eggs-on-wooden-background-nutrition-concept
https://www.bigstockphoto.com/ru/image-222363775/stock-photo-spoon-holding-bo
- Premieret: Okt 2013
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