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
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Copper Falls State Park, Wisconsin
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Val Brandet, Brescia, Lombardy, Italy
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Volcán Alcedo giant tortoise, Isabela Island
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The grass looks greener on this side
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Polar Bear Week
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Grey seal pup
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Royal Alcázar of Seville, Spain
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Peggys Point Lighthouse
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International Day of the Worlds Indigenous Peoples
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A beautiful labyrinth
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Eurasian lynx
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Part science experiment, part public park
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Hide-and-go-seek world champion
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Dhaka, Bangladesh
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Methow Valley, North Cascades, Washington
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World Wildlife Day
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Wait, mountain—you shall bear my castle!
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Christmas star lanterns, Germany
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Methoni Castle, Messinia, Greece
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Dunquin Pier, County Kerry, Ireland
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The buffet is open
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Grand Canyon National Park, USA
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Alps of the sea
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World Octopus Day
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We can all just get along
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A young jaguar on a riverbank, Pantanal, Brazil
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Mona Vale rockpool, Sydney, Australia
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A very public display of affection
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From victory to festivity
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Blurring the lines with wearable art
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