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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Pollinator Week
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On the Route of the Waterfalls
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Burrowing owls
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Summer winds down in the Southern Hemisphere
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Union Square, Manhattan
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International Tiger Day
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Ayutthaya Historical Park, Thailand
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National Take the Stairs Day
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I am the walrus
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World Rhinoceros Day
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Sedona, Arizona
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Bukhansan National Park, South Korea
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Beautiful baobabs
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National Trails Day
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A day to celebrate the sun
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Blink and you ll miss it
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Petrified Forest National Park
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Mount Pico, Portugal
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World-class art comes to Arkansas
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Oktoberfest begins
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Everglades National Park turns 75
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A glittering diamond in the rough
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Baddest of the badlands
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Water colors
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What are these creatures?
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Remembering the Arizona
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Happy Independence Day!
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Big Bend National Park turns 78
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North Cascades National Park at 50
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Travel Sunday: Liverpool
Bing Wallpaper Gallery

