BIRDS. CHARASTERISTICS OF BIRDS: ENDOTHERMIC TWO WINGS, TWO LEGS BILL OR BEAK COVERED MOSTLY WITH FEATHERS LAY HARD-SHELLED EGGS & SIT ON THEM TO KEEP THEM WARM UNTIL THEY HATCH. ADAPTATIONS FOR FLIGHT:. LIGHT, YET STRONG SKELETONS THE INSIDE OF ITS BONES IS ALMOST HOLLOW
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CHARASTERISTICS OF BIRDS:
* GIVE THEM THEIR STREAMLINE SHAPE
* OUTER FEATHERS HELP A BIRD MOVE THROUGH AIR OR WATER
* PROTECT BIRDS FROM PREDATORS BECAUSE THEY CAN BE A FORM OF
* TRAP AND KEEP AIR NEXT TO THEIR
* PROVIDE INSULATION