why do bids have feathers?

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Why do bids have feathers? By: Mackenna I love birds!

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Why do bids have feathers?. By: Mackenna. I love birds!. How Feathers Evolved. - PowerPoint PPT Presentation

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Why do bids have feathers?By: Mackenna I love birds!1How Feathers Evolved

Early feathers seem to have been used for protection and warmth. Dinosaurs later developed more modern feathers, which may have helped certain species glide from tree to tree. Non-avian dinosaurs became extinct about 65 million years ago. What happened to avian dinosaurs? They survived to become todays birds. (Avian means-pertaining to or characteristic s of birds)

Allosaurus fossil Hows a Feather Put Together?Feathers are made of keratin. Thats the same stuff that makes up human hair and fingernails, reptile scales, and shells. Keratin also forms birds beaks, scales, and claws on their feet.

4Different Jobs for Different FeathersContour feathers are vaned feathers that you see covering a birds body. They protect the bird and help keep it warm and dry. Flight feathers are large vaned feathers of the wing and tail that are shaped to help birds fly. In between the contour feathers are semiplumes that provide both support and insulation. They appear to be a cross between a vaned feather and a down feather.

Different types of birds are coolBe sure to add a picture and caption at the end6Hummingbirds love flowers.

FossilsFossils are things that lived a long time ago. They were things that were before people.I LOVE FOSSLS

CARING FOR BABY BIRDS!

These are bird wings.

Ancient birds!This is an ancient Grounded Bird. It has a long tail on its body.