neossoptile plumage Directory References Discover 9 of the World’s Deadliest Snakes Water Fluoridation: Just the Facts How Deadly Is Quicksand? Is Cinco de Mayo Mexico's Independence Day? 6 Animals We Ate Into Extinction 7 of History's Most Notorious Serial Killers Spies Like Us: 10 Famous Names in the Espionage Game Contents neossoptile plumage bird anatomy Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:integumentary system In plumage…newborn chick is downy, called neossoptile; that which follows is termed teleoptile. Juvenal plumage, frequently distinct from that of the adult bird, is often drab, streaked, or spotted and thus camouflages the young. Read More