Features
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Quiz 2012
How much attention have you paid to the weird wonders of nature in 2012?
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Ecology in action
Winning images from the BES photography competition.
On TV and Radio
Attenborough's anniversary
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Life lessons
What has Sir David Attenborough learned after 60 years on air?
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Aboard the ark
Which endangered species would Sir David save?
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Watch 'that' clip
The naturalist's original gorilla encounter.
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Favourite moments
Sir David chooses his 'best bits' from the BBC archive.
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TV blog: Pen pal
Compiling a collection of video clips by letter.
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Wonderful world
Stunning natural history highlights on BBC One.
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Archive treasures
Revisit his 1956 series: Zoo Quest for a Dragon.
Your nature quotes
@tilsonatorr uses Twitter to flag what natural history landmark he'll be watching