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Birds

What are birds and what are their adaptations?
by

Teresa Cobble

on 15 April 2010

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Transcript of Birds

BIRDS
The Basics
Kindgom: Animalia
Phylum: Chordate
Class: Aves
The are the most
recently evolved
vertebrate
They are well
adapted for flight
Characteristics of birds
Vertebrates
Endothermic
4 Chambered heart
Feathers
Light weight
Wings
Beak
Lay Eggs
Feathers
2 Main Functions
Providing Lift for flight
Conserving body heat
3 Types of Feather
Down feathers- covers young birds and provide insulation
Contour feathers - give a streamline
shape, coloration and more insulation.
Flight feather - on wings
and tail and aid in flight
Structure of a Bird
Combines light weight with strength
Hollow bones
Sternum (chest) is where the
flight muscles meet.
Metabolism
Supplies energy for flight
Cannot go long periods without food
Fluffy feathers to conserve energy
Rapid Metabolism
Full transcript