It’s the season for spotting fireflies in some parts of the US, especially in the humid or damp areas that the winged beetles love. For fireflies themselves, it’s a season of love. They create these soft flashes of light as they search for a suitable mate. The glow is produced by a chemical reaction in a firefly’s abdomen. In addition to attracting a partner, the light is believed to deter potential predators by signaling that the insect’s chemical makeup may produce a foul taste or even be toxic. The fireflies in our homepage image were photographed with a long exposure in the Philippines, where fireflies are a popular tourist attraction. Some firefly species here and in other parts of Southeast Asia are known for their synchronized flashing, creating dramatic light shows in the dark.
A summertime light show
Today in History
More Desktop Wallpapers:
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To Sua Ocean Trench
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Tasmans Arch, Tasmania, Australia
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Long-eared owl in the Czech Republic
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‘You should see the one that got away!’
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Up in the Highlands
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Iceberg off the coast of Antarctica
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An ice cap-puccino
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Bidding summer adieu
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Spring comes to Glacier National Park
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Where the bearded reedling sings
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Chestnut-headed bee-eaters, Bardia National Park, Nepal
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St. Joseph North Pier Inner and Outer Lights, Michigan
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Happy Pi Day!
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Valentines Day
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A peek behind the royal curtain
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A path lain with petals
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International Mountain Day
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The puffin-rabbit connection
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Lights, camera, Sundance
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Fall Astronomy Week
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Seventeen arches at sunset
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World Oceans Day
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Helloooooo, Innsbruck
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Old Town Quito
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World Lizard Day
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Mute swan
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Go with the rainbow flow
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World Whale Day
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Gateway Arch in St. Louis, Missouri
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Let’s talk fossils