flag Directory References Discover 13 LGBTQ Writers You Should Read 9 Worst Generals in History Why Are Some Time Zones 30 Minutes Off Instead of an Hour? Why We Celebrate MLK Day Nostradamus and His Prophecies How Rye Bread May Have Caused the Salem Witch Trials Do Lemmings Really Commit Mass Suicide? Contents Ask the Chatbot a Question flag falcon plumage Ask the Chatbot a Question Learn about this topic in these articles:characteristics of falcons In falconFalcons have plumes called “flags” on their legs and a notch in the beak that is well developed in the genus Falco to form a “tooth.”Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.