These Pigeons Have Built In Warning Alarms

Scientists have figured out that some birds come with builtin alarm calls in their wings We re conducting a survey of our viewers If you have time, please give us feedback: Hosted by: Stefan Chin Support SciShow by becoming a patron on Patreon: 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 TerrioCameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: