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Scorpions' claws and stingers are fortified with metals like zinc and iron
Scorpions reinforce their claws and stingers with metals
A fossil reveals early relatives of spiders — armed with claws
Oldest known rock art is a 68,000-year-old hand stencil with claws
Most rodents have thumbnails instead of claws. It might help explain how they took over the world. - EurekAlert!
Aussie cockatoos use their beaks and claws to turn on water fountains
They Were 8,000-Pound Sloths With Claws and Armor – Then Humans Showed Up