Check out my other channel TopTenz! https://www.→→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut What Happens if You Leave Your House to a Pet in Your Will https://youtu.be/O3X19xwPvlc?list=PLR0XuDegDqP2yEk58fgohft2Z1nhcmwis Why a Geckos Feet Can Stick to Almost Anything https://youtu.be/7ySPl_WVgvc?list=PLR0XuDegDqP2yEk58fgohft2Z1nhcmwis In this video: While there are many birds that have naturally evolved to be flightless, there’s only one kind of bird humans have selectively bred until it no longer possesses an ability shared by most of its kin- the parlor roller. Want the text version?: http://www.todayifoundout.com/index.php/2017/08/bird-bred-nothing-backflips-parlor-roller/ Sources: https://www.ufaw.org.uk/birds/pigeons-rolling-and-tumbling https://academic.oup.com/jhered/article-abstract/63/6/351/806005/A-Genetic-Investigation-of-Roller-and-Tumbler?redirectedFrom=PDF https://www.farmshow.com/a_article.php?aid=24382 http://barnhartlofts.com/parlors.htm https://www.youtube.com/watch?v=x_2cbIrHG1k https://www.youtube.com/watch?v=5YhbtNUw3Oo https://en.wikipedia.org/wiki/Rock_dove http://www.roysfarm.com/parlor-roller-pigeon/ https://www.youtube.com/watch?v=x_2cbIrHG1k https://www.youtube.com/watch?v=NGHYfwKAPVY http://www.pigeons.biz/forums/f101/parlor-tumbler-31822.html https://en.wikipedia.org/wiki/File:Parlour_tumbler(black_tigered).jpg Image Credit: https://en.wikipedia.org/wiki/Flightless_bird#/media/File:Keulemans-GreatAuk.jpg https://upload.wikimedia.org/wikipedia/commons/4/45/Charles_Darwin_1880.jpg https://en.wikipedia.org/wiki/Parlor_Roller#/media/File:Parlour_tumbler(black_tigered).jpg https://en.wikipedia.org/wiki/Tumbler_pigeons#/media/File:Berlin_short_faced_tumbler.jpg https://www.flickr.com/photos/jimgifford/202432037