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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Red skies at Ruby Beach
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Flock together for Cousins Day
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And they’re off!
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Mendenhall Glacier, Alaska
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The town of Pienza in Tuscany, Italy
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Batten down the hatches
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Make your way up a picturesque passageway of Chefchaouen
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Tintern Abbey, Wales
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Who s there? The largest owl in the world
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Satellite image of sand and seaweed in the Bahamas
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South Padre Island, Texas
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Pont Alexandre III, Paris, France
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Sonoma Coast State Park, California
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A light on National Hispanic Heritage Month
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A tree of many memories
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The Canary Islands, Spain
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International Tiger Day
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Jazzed for Mardi Gras
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All eyes on sustainability
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Can you see the family resemblance?
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National Mountain Climbing Day
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World Bicycle Day
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World Migratory Bird Day
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Earth seen from the International Space Station
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A lush, green escape
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Walton Lighthouse, Santa Cruz, California
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Hello, harbinger of spring
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It s World Bee Day
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Swinging into International Jazz Day
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Kalalau Beach on the Nā Pali Coast, Kauai, Hawaii
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