Scientists have figured out that some birds come with built-in alarm calls in their wings We're conducting a survey of our viewers! If you have time, please give us feedback: www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: KSam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.cell.com/current-biology/fulltext/S0960-9822(17)31268-X www.eurekalert.org/emb_releases/2017-11/cp-cpu110217.php rspb.royalsocietypublishing.org/content/276/1676/4173 www.wired.com/2014/03/birds-sing-morning/ www.nature.com/articles/doi:10.1038/nm.4433 www.eurekalert.org/emb_releases/2017-11/uoc--soa110317.php www.epilepsy.com/learn/professionals/diagnosis-treatment/surgery/implanted-eeg-electrodes