All birds have feathers, and birds are the only animals on Earth that have them. Feathers play many important roles in a birds life. They provide insulation and protection from the elements, and provide camouflage to protect birds from predators. They also play a role in flight. Feathers are pretty fascinating! In this post I share some simple activities and resources for learning about feathers with your kids. Feather Anatomy: Feathers are made of keratin, the same protein that gives our fingernails strength. All feathers have a central shaft called a rachis. Small filaments called barbs extend off the rachis, and even smaller filaments called barbules extend off of those. Barbules have hooklets which hook the barbules together like a zipper, creating a surface capable of withstanding the pressures of flight. Make A Feather Photo Collection: Take pictures of different types of feathers you find in your yard, neighborhood, and while on nature hikes. Compare the differen...