Ear tuft is a mutation found in the Araucana chicken breed. It causes a skin projection covered in feathers to appear on the sides of the head near the ears. It could be said chickens with this trait appear to have pom-poms stuck on their heads. This mutation is a dominant semi-lethal. In biology, mutations are changes to the genetic material (usually DNA or RNA). ... The Araucana is a chicken breed of South American origin known for laying green or blue eggs. ... Trinomial name Gallus gallus domesticus A chicken (Gallus gallus domesticus) is a type of domesticated bird which is often raised as a type of poultry. ... A breed is a domesticated subspecies or infrasubspecies of an animal. ... Pom-pons Pom-Pon: A prop of sorts used in the sport of Cheerleading for a variety of reasons including attracting the attention of a crowd, accentuating movements, distracting an opposing team (though in very limited fashion and never in an unsportsmanlike manner), and adding an element of sparkle to...