Wacky Weekend: Prickly Critters

Whether they’re defending themselves from predators or attracting mates, these animals definitely have one feature in common: their spikes! Take a look at the porcupine, sage grouse, and other prickly critters in the photo gallery below.

Photograph by Dave Fleetham, Design Pics, Getty Images
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TOUGH PUFF: When threatened, the spotted porcupinefish swallows water to puff up its body like a balloon, making its spines stand out.
Photograph by Dave Fleetham, Design Pics, Getty Images
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