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Birds


Birds are some of the most amazing animals on earth. Most have the
ability to fly. Some use ground travel. Some use claws, others use only their
beaks. Birds come in many varieties of colors and sizes.
Birds are warm-blooded, egg-laying creatures from the aves class. Along
with the obvious feathers and wings, birds have other adaptations for flying
such as a wide keel on the sternum, with large wing muscles attached, air spaces
and sacs throughout the body and bones, to decrease their weight, and they have
various bone fusions and reductions to strengthen and streamline their body.
There are more than 8700 species of birds. Their habitats range from icy
shores of Antarctica to the hottest parts of the tropics and from mountains,
deserts, plains, and facts to open oceans and deeply urbanized areas.
The sizes of birds range from the tiny bee hummingbird, which has a
total length of two and a half inches, to the albatross, which has a wing span
of eleven and a half feet.......

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Approximate Word Count: 698
Approximate Pages: 3 (250 words per double-spaced page)

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