Wild Things: Life as We Know It

Butterfly GPS, glowing mushrooms, bat-hunting songbirds and more

(Wayne Bennett / Corbis)

Butterfly GPS

(Maura McCarthy)

Migratory monarch butterflies travel great distances by orienting themselves to the sun at any time of day.

Now University of Massachusetts scientists say the insect's antennae are the key to navigation; when the scientists removed or painted them to block sunlight, monarchs lost their way. The surprise? Antennae aren't just for detecting scents after all.

Learn more about monarch butterflies at the Encyclopedia of Life.


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