Hold the tinsel—the rainbow eucalyptus tree doesn"t need decorations to appear festive for the holidays. Its bark displays a palette of bright colors by design. As older layers of bark peel away in strips, new layers packed with green chlorophyll are revealed. These exposed areas eventually transition to hues of blue, purple, and orange as tannins accumulate. The continual peeling allows the tree to shed mosses, lichen, fungi, or parasites along with the bark, while also exposing the chlorophyll underneath, which boosts the tree"s ability to photosynthesize. The bark isn"t the only unusual thing about this species. While most people associate eucalyptus with koalas and Australia, the rainbow eucalyptus is native to the Philippines and Indonesia. It thrives in tropical climates like Hawaii, where our homepage trees were photographed.
Tree of many colors
Today in History
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Entoloma hochstetteri mushroom at Lake Mahinapua, New Zealand
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Hey, who’s in charge here?
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Asian American and Pacific Islander Heritage Month
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Blue linckia sea stars in Papua New Guinea
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Summer winds down in the Southern Hemisphere
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Happy holidays!
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Trunks stick together
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A Festivus for the rest of us
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Why do elephants hide in trees?
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Composite image of a lunar eclipse
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Grand Canyon National Park anniversary
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World Environment Day
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International Day for Biological Diversity
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A bridge that rocks
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Celebrating sea otters
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World Migratory Bird Day
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A light at the edge of the world
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National Park Week continues
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Great horned owl fledglings
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Dallas Latino Cultural Center for Hispanic Heritage
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Craters of the Moon centennial
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The village of Castelluccio above the Piano Grande, Umbria, Italy
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20 years later
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Vote!
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It s Coffee Day
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National Lighthouse Day
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Freeze frame
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Halemaumau Crater, Hawaii Volcanoes National Park
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St. Patricks Day in County Waterford, Ireland
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Happy Birthday, J.R.R. Tolkien!
Bing Wallpaper Gallery

