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Two-fingered dinosaur used its enormous claws to eat leaves

A dinosaur fossil discovered in Mongolia boasts the largest ever complete claw, but the herbivorous species only used it to grasp vegetation

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Budgie brains have a map of vocal sounds just like humans

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What the extraordinary medical know-how of wild animals can teach us

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Fossils reveal what the fur of early mammals looked like

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Male octopus injects female with venom during sex to avoid being eaten

Illustrator?s signature must be included in all reproductions Carboniferous forest. Illustration of a flooded forest containing primitive plant species and fauna that existed during the Carboniferous period (360 to 286 million years ago). At bottom centre is a Hylonomus reptile. Its prey, a giant dragonfly (Meganeura monyi) is at left. The plants included Lepidodendron, an ancient lycopod also known as a scale tree. The Carboniferous forests gave rise to the coal deposits that fuel industry today.

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Gripping account of how plants and animals shaped each other

Mummified Wolf Pup found at Last Chance Creek

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Permafrost mummies are unlocking the secrets of prehistory

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Black squirrels may be evolving due to roadkill in cities

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Big animals have higher cancer risk 鈥� but also evolved better defences

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Dogs seem to have a strong preference for yellow things

When offered a choice of bowls, free-ranging dogs in India tend to approach a yellow one much more than blue or grey

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The bold plan to bring back Tasmanian devils across mainland Australia

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Mice seen giving ‘first aid’ to unconscious companions

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Watch a cuttlefish transform into a leaf and a coral to hunt its prey

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Surprising fossils suggest early animals survived outside of water