Features
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Butterfly numbers 'may decline'
Sir David Attenborough warns that butterfly populations may suffer this year because of recent wet weather.
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Operation Iceberg
Chris Packham's first report from a ground-breaking expedition to the Arctic.
On TV and Radio
Nature's Microworlds
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The Galapagos Islands
Explore the rich diversity of life on what are arguably the most famous islands in the world
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Lonesome George
How much does the loss of the last Pinta giant tortoise matter?
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On TV
Nature's Microworlds explores the Galapagos archipelago
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Tortoise rediscovered?
Genetic traces of a giant Galapagos tortoise found BBC News
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Aerial pirates
Watch magnificent frigatebirds steal precious cargo
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Pre-swim warm up
See marine iguanas warming up before a swim
Tom Graham on Facebook discussing news that red squirrels have been recorded in towns in north Wales