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Archaeopteryx Fossil : 

Archaeopteryx Fossil

Close-up of a Feather : 

Close-up of a Feather

a=contour, b=bristle, c=semiplume,d=down, e=filaplume : 

a=contour, b=bristle, c=semiplume,d=down, e=filaplume

Slide 5: 

Hollow Bone of a Bird

Bird Skeleton : 

Bird Skeleton

Flight Muscles in Birds : 

Flight Muscles in Birds

Variations in Beak Type in Birds : 

Variations in Beak Type in Birds

Bones of theWingBones of theWing : 

Bones of theWingBones of theWing

3Functionof FlightMusclesin BirdsBirds Lack TeethVariations in Beak Typein Birds Bones of theWingPerching Tendons in Birds : 

3Functionof FlightMusclesin BirdsBirds Lack TeethVariations in Beak Typein Birds Bones of theWingPerching Tendons in Birds

Respiratory System : 

Respiratory System

Slide 12: 

How Air Sacs Function

Slide 13: 

Arctic Tern

Birds are Oviparous : 

Birds are Oviparous

Ostrich (Africa) : 

Ostrich (Africa)

Emu (Australia) : 

Emu (Australia)

Kiwi Bird (New Zealand) : 

Kiwi Bird (New Zealand)

Order: Pelicaniformes Pelicans : 

Order: Pelicaniformes Pelicans

Order: Ciconiformes Storks and Herons : 

Order: Ciconiformes Storks and Herons

Order: Anseriformes Geese and Ducks : 

Order: Anseriformes Geese and Ducks

Order: FalconiformesEagles, Hawks, Ospreys,Condors, Falcons : 

Order: FalconiformesEagles, Hawks, Ospreys,Condors, Falcons

Order: GalliformesChickens and Turkeys : 

Order: GalliformesChickens and Turkeys

Order: Strigiformes Owls : 

Order: Strigiformes Owls

Order: Passeriformes Perching Birds : 

Order: Passeriformes Perching Birds

The Wonder of Bird Feathers : 

The Wonder of Bird Feathers

Rectrice : 

Rectrice Remige

Contour Feather : 

Contour Feather

Down Feather : 

Down Feather

Semi plume : 

Semi plume