Take a cue from today"s image; this sleepy koala may inspire you to catch some Z"s. These adorable Australian marsupials can sleep up to 20 hours a day, which helps them conserve the little energy they get from their eucalyptus-based diet. Koalas have specialised digestive systems adapted to detoxify the chemicals present in eucalyptus leaves, which are toxic to many other animals. Koalas move slowly when awake, spend most of their time tucked into nooks in trees and have a lower body temperature than other animals of their size.
Koala sleeping in a eucalyptus tree, Australia
Today in History
More Desktop Wallpapers:
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Celebrating the Scottish bard
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Victoria Day
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Peggys Point Lighthouse, Atlantic Coast, Nova Scotia
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Take the Stairs Day
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Fly me to the moon
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Autumn in the Ogilvie Mountains, Yukon
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Piecing together a better tomorrow
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Let there be lights!
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Blue-throated toucanet, Los Quetzales National Park, Costa Rica
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Church of Notre Dame de Bon-Port, Les Sables-dOlonne, France
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A flashy, frigid waterfowl
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Bonaventure Cemetery, Savannah, Georgia, USA
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Ross Errilly Friary, County Galway, Ireland
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The ‘eighth wonder?’
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King of the ocean
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The beauty that lies below
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Its Halloween!
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Gaztelugatxe islet at sunset, Basque Country, Spain
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Vila Franca Islet, São Miguel Island, Azores, Portugal
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An ugly duckling no more
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Desert daggers?
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Tremola Road on the Saint Gotthard Pass in Airolo, Switzerland
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Blurring the lines with wearable art
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Happy Boxing Day!
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Zion National Park turns 103
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Great Barrier Reef from above, Queensland, Australia
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Koala in the Great Otway National Park, Australia
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Getting starry-eyed at the moon
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Devils Bridge, Kromlau, Saxony, Germany
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Why are blackbirds tied to winter?
Bing Wallpaper Gallery

