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by Ashleigh DeWitt


BIRDS






KEY CHARACTERISTICS:
-body covered with feathers
-forelimbs modified into wings
-four-chambered heart
-endothermic
-lay shelled,amniotic eggs
-birds:about 9000 species







Check out these sites:
Falconiforms!
Psittaciformes!
Ciiconiiformes!

BIBLIOGRAPHY:
Biology-Principles and Explorations, written by Holt,Rinehart,and Winston
copyright ~Mystiqal~1998/99
Curator: Beth Jewell, beth.jewell@fcps.edu
email
WSHS Science
Oceanography  Biology GT  Jewell's Wanderings  Daycamp  Field Trip  Elementary Visits