We know that animals cross miles of water, land, and sky with
pinpoint precision on a daily basis. But it is only in recent years
that scientists have learned how these astounding feats of
navigation are actually accomplished. With colorful and thorough
detail, "Nature's Compass" explores the remarkable methods by which
animals find their way both near home and around the globe. Noted
biologist James Gould and popular science writer Carol Gould delve
into the elegant strategies and fail-safe backup systems, the
invisible sensitivities and mysterious forces, and incredible
mental abilities used by familiar and rare species, as they
investigate a multitude of navigation strategies, from the simple
to the astonishing.
The Goulds discuss how animals navigate, without instruments and
training, at a level far beyond human talents. They explain how
animals measure time and show how the fragile monarch butterfly
employs an internal clock, calendar, compass, and map to commence
and measure the two-thousand-mile annual journey to Mexico--all
with a brain that weighs only a few thousandths of an ounce. They
look at honey bees and how they rely on the sun and mental maps to
locate landmarks such as nests and flowers. And they examine
whether long-distance migrants, such as the homing pigeon, depend
on a global positioning system to let them know where they are.
Ultimately, the authors ask if the disruption of migratory paths
through habitat destruction and global warming is affecting and
endangering animal species.
Providing a comprehensive picture of animal navigation and
migration, "Nature's Compass" decodes the mysteries of this
extraordinary aspect of natural behavior.
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