Since 1989, an increasing number
of scientists have been studying the decline of frog and toad
populations around the world.
These declines have been associated
with habitat loss and fragmentation, chemical pollution, ultraviolet
radiation, acid precipitation, commercial harvest for food, and
unknown causes. Understanding frogs may help us better understand how
these problems affect humans, too.
Learning about frogs is also fun
and, as this page shows, opens a door to a facinating corner of the
natural world
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