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Old 25-09-2009, 08:34 PM
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.Butterfly antennas key to navigating in migration

Millions of Monarch butterflies migrate to Mexico for the winter and scientists have long speculated on how the insects find their way. Turns out, their antennas are the key.
How do we know? Well, researchers painted butterfly antennas black, and the insects got lost.
Managing to fly south may not sound like a big deal to people armed with maps and GPS receivers, but all butterflies have for navigation is the sun in the sky.
And the sun keeps moving, so the little creatures have to constantly adjust to stay on course throughout the day.
Read more here.
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Old 26-09-2009, 09:16 AM
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Re: .Butterfly antennas key to navigating in migration

It's been known for years how important insect antennae are to insects; that is why they spend so much time cleaning them and why during fighting each insect tries to snap off the other's antenna. So the results of this research come as no surprise.
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