Moment of Yikes: Spooky critters

Meet a few of nature’s strangest animals—from a bright-blue tarantula to a mossy-looking frog—photographed by Photo Ark's Joel Sartore.

<i>CAN YOU HAIR ME NOW?:</i> An aardwolf tells other African animals to back off by lifting up the hair on its back, making the critter seem larger than it is.
CAN YOU HAIR ME NOW?: An aardwolf tells other African animals to back off by lifting up the hair on its back, making the critter seem larger than it is.
Photograph by Joel Sartore, National Geographic Photo Ark

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Photo Ark is a joint project of National Geographic and Joel Sartore, who is on mission to take pictures of approximately 20,000 animal species living in zoos and wildlife sanctuaries. He hopes to use the photos to inspire people to save the planet’s most endangered animals. Learn more at NatGeoPhotoArk.org