'Fright or flight'
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New wildlife photos are snapped everyday, but take a look above. That's a blue-spotted sea urchin, recently shot off the coast of Maui by photographer David Fleetham. It looks psychedelic, but you're not going to want to get too close: each of those hundreds of orange and white spines is venomous, and you're in for a world of trouble if you get pricked.
The spines wave constantly, and are beautiful, but they're also a poisonous defence mechanism. Seem wild? Check out these strange animal defences to compare.
* Bing: Amazing wildlife pics from Canada
* Video: Crab carries sea urchin for protection
A "stocktake" of UK nature suggests 60% of animal and plant species have declined in the past 50 years - and one in 10 could end up disappearing.
Date 2 hrs ago, Duration 2:29, Views 0
Video by: BBC World News | For more information on this story go to the BBC.com website More BBC World News
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