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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South Stack Lighthouse, Holy Island, Wales
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A picture-perfect day on Trillium
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Meet the slowest flirt in the animal world
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A crush in Lavaux
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Traffic jam on the caribou highway
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On the hunt
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Here comes summer
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Brooklyn Bridge Park in Brooklyn, New York
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It’s showtime for a precious crop
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Oktoberfest
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Squirrel Appreciation Day
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Feeling crabby?
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Bernina Pass, Graubünden, Switzerland
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Happy Independence Day!
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Sea lion in a kelp forest, Baja California, Mexico
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Winter in England s Cotswolds
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Desert rose of Qatar
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Northern coast of Colombia
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Colorful houses of Las Palmas de Gran Canaria, Spain
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A throng of ice and spires
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Basking in the glow
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Happy Boxing Day!
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Christmas Bird Count
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At ease, it’s Armed Forces Day
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Big-wave hunters watch Nazaré
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Happy 800th, Salisbury Cathedral
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Decorating for Diwali
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Sanday Island and the North Sea, Scotland
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American bison
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Mona Vale Rockpool, Sydney, Australia
Bing Wallpaper Gallery

