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So rare there's not one of them.
The amazing story of an insect presumed dead for decades.
The pesticide is heavily linked with the dramatic collapse of bee populations around the world.
Soon they'll carry little smartphones around. I hope.
They're as wise as crows in this respect. A tasty treat helped, of course.
Human laundry is a magnet for bed bugs.
It's not good news for the rat...
Apart from this, the species is continuing its recovery.
Some Trinidadian guppies are far braver than others.
Sleep could be as old as life itself.
This hermit crab is no hobo.
Only two genes code both the canvas and paintbrush for the intricate butterfly wing patterns.
It bit with the force of wolves or female tigers.
Big and small animals are the most threatened by extinction.
Ever wondered what an octopus city looks like?
It's like getting tasered -- nine times. At the same time. Professor Catania has the measurements to prove it.
Teach a man to chemically process sawdust into the building blocks of life to feed his fish, and you feed him for a lifetime.
The author wishes this photo 'didn't exist'.
The intelligent animals have responded to poaching by shifting their foraging patterns.
Stabby stabby!
What's real, a gruffalo, or a hirola?
Crack open a nutty one.
The northern lights might be a brilliant spectacle for some, but they spelled doom for some unfortunate sperm whales.
These are some brilliant entries.
Otters are copycats.
There's also some bad news...
It's the stuff of nightmares.
Sure, we think chimps are clever -- but never as clever as us.
We're literally eating the viability of tomorrow's oceans.
It's high time we do something to protect them.
We've found it, but we may soon lose it again to hunting.
It could be a cure for humans too!
A strange sight for Berliners who have been wondering what the large crabs, “lobsters”, and “scorpions” are doing in their city.
Potentially catastrophic for Pacific salmon.
There's more to it than meets the eye.
Extinct but not forgotten.
There's a connection between the Loch Ness Monster and keeping wildlife safe.
The story of the rise of the algae.
Please stop taking photos with wild animals!
It's time to face it: our pesticides are killing off bees -- and bumblebees.
It wasn't just for the milk...
Go home goldfish, you're drunk.
It looked rather scary and ugly. Nevertheless, it was an important creature in life's evolutionary history.
A long way for a little spider.
Follow the buzz.
Can you tell by looking at them?
This is the first non-mammal that behaves like us in this instance and the implications are numerous.
If you thought octopuses were amazing, wait 'till you see this.
We've just found them, but they may already be endangered.
It's amazing how nature can evolve sometimes.