GEOGRAPHIC RANGE
Passerines are very widespread on all continents except Antarctica, but have the greatest numbers in the tropical areas of the world. They are considered the most widely distributed of all birds, living on nearly every oceanic island that can support a bird. Passerines include over half in total numbers of the known birds in the world.
PASSERINES AND PEOPLE
Passerines help to control insects that destroy trees. In fact, the American redstart feeds on regal moths and the red-eyed vireo eats gypsy moths, both of which are very harmful to oak trees, a common tree found in urban areas.
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