On 17 April, International Bat Appreciation Day flips its cape to the planet"s night shift: bats. With more than 1,400 species on every continent except Antarctica, these winged mammals keep ecosystems balanced. They"ve been on Earth for over 50 million years, and only three species are true vampires. Found only in the Americas, these bats feed on blood, while the rest survive on insects, fruit, nectar or pollen. In Texas, Bracken Cave can host up to 20 million Mexican free-tailed bats in summer. Many gulp crop pests, cutting pesticide use; others pollinate wild agaves and disperse seeds that help forests rebound.
International Bat Appreciation Day
Today in History
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Ross Errilly Friary, County Galway, Ireland
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National Cousins Day
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The buffet is open
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International Lighthouse Lightship Weekend
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Modica, Sicily, Italy
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Limpets at low tide on the coast of Praia da Ursa, Portugal
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Haut-Barr Castle
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South Downs Dark Skies Festival
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Sea otters
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Creating a better world
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Connecting the dots
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A bridge that holds up history
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Alpine marmot
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Lake Tahoe, USA
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Old Rock Day
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High above the Aegean Sea
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Earth Day
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The Isle of Wight Garlic Festival
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Mountains of sand
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Chelsea Flower Show
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Hungarian Parliament Building, Budapest, Hungary
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Ahead of the curve
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Coral Reef Awareness Week
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King of the jungle? Nope
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Everglades National Park, Florida, United States
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This blue succulent has spirit
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A day for cousins of every stripe
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Stonehenge, Wiltshire, England
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