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There
are about 330 species of parrot-like birds in the world
Sight
is the most important of all the bird's senses. It is their main
way of finding food, avoiding enemies and communicating.
Much of a bird's brain is concerned with sight. Bird must move its
whole head to look directly from one place to another.
Most
birds have 1500 to 3000 feathers.
The maximum size for efficient bird flight seems to be about 15
kg, a weight reached by some pelicans and swans.
Flamingos lived on freshwater lakes in northern South Australia
20 million years ago. They disappeared with a climate change.
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