Environment
How memory power helps bird brains survive the winter
Black-capped chickadees in snowier climes have bigger memory centres in their brains, perhaps because better spatial memory helps them find food in winter
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Environment
Engineered chickens can’t pass on flu
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Environment
Hipster bird species evolving to tune out urban sounds
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Environment
Bird feeders delay great tits’ dawn chorus
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Environment
From god to gobbler: How the turkey got its breast
Features
Environment
Did giant pterosaurs vault aloft like vampire bats?
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Environment
Universal flu vaccine one step closer
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Environment
Zoologger: The heaviest animal in the air
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Environment
Ancient South American megabird had 6-metre wingspan
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Environment
Ancient terror bird stabbed its prey to death
The extinct, flightless Andalgalornis steulleti had a reinforced skull that allowed it to peck its prey to death
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Environment
Thieving parrots hatch a plan to unlock food
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Earth
Galapagos: off the danger list, still in danger
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Environment
Zoologger: Eggs with an ‘eat me’ sign
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Environment
Zoologger: Vultures use twigs to gather wool for nests
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