'Fright or flight'
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.
By 2050, Earth will likely be home to more than nine billion people. That's a lot of mouths to feed. In a special eight-month series, “The Future of Fo... More By 2050, Earth will likely be home to more than nine billion people. That's a lot of mouths to feed. In a special eight-month series, “The Future of Food,” National Geographic investigates how to meet our growing need for nourishment without harming the planet that sustains us. Join the discussion in National Geographic magazine and online at http://food.nationalgeographic.com/.
Date 1 hr ago, Duration 1:30, Views 0
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