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Bigger butterflies may cope better with climate change

Butterflies with larger wingspans may be more likely to expand their range at high latitudes because they can fly to new habitats as temperatures rise

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Movie clip reconstructed by an AI reading mice's brains as they watch

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Woolly mammoths had testosterone surges like those of male elephants

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Male elephant seals with large harems die younger

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Animal deaths on UK roads fell sharply during covid-19 lockdowns

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A black-and-white photo of a man dressed in warm furs crouching down next to Balto, a dog that appears to be a dark-furred husky type dog. Behind them is a brick building.

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Balto's genome reveals famed sledge dog was a mutt

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Hyenas seen sharing their dens with porcupines and warthogs

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Assassin bugs cover themselves in sticky plant resin to trap prey

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Wild boars get spooked by even a dead wolf

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Even a dead wolf is enough to scare a pig

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Nematode worms get the ‘munchies’ after having cannabis-like substance

Just like people, the simple nematode worm Caenorhabditis elegans is driven to consume high-calorie food when its cannabinoid receptors are activated, hinting at a common signalling pathway for preventing starvation

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Image of a nematode worm

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Songbirds sing out of tune if they don't practise every day

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Beetles that receive less care as larvae may become better parents

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Big animals move more slowly than small ones to avoid overheating

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Life

Spotting the way octopus stripes vary could help us conserve them

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