Ever gotten close enough to a squirrel to get a good look at its mouth? If you have, you probably noticed their oddly bright orange teeth! Squirrels have orange teeth because they're covered in a special tough enamel. It lets the critters gnaw on hard nuts without breaking their little chompers. But there are plenty more incredible animal facts you just don't hear every day. Like a jellyfish that lives forever!

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CC BYSA 3.0 https://creativecommons.org/licenses/...
A Polar Bear's Paw with it's gripping pads: By Srvban, https://commons.wikimedia.org/w/index...
Schematic diagram of a bird's eye: By Jimfbleak, https://commons.wikimedia.org/w/index...
CC BYSA 4.0 https://creativecommons.org/licenses/...
Forming oa propagule on the Cassiopeia sp. polyp: By SpineInWine, https://commons.wikimedia.org/w/index...
Giant anteater at Detroit Zoo: By RedGazelle123, https://commons.wikimedia.org/w/index...
CC BY 3.0 https://creativecommons.org/licenses/...
The red handfish ('Sympterichthys politus’): By CSIRO, https://commons.wikimedia.org/w/index...
Moray eels have two sets of jaws: By Zina Deretsky, National Science Foundation (after Rita Mehta, UC Davis)/https://www.nsf.gov/news/news_images...., https://commons.wikimedia.org/w/index...
Humpback whale (Megaptera novaeangliae): By Christin Khan, NOAA/NEFSC – http://www.nmfs.noaa.gov/pr/species/m..., Public Domain https://creativecommons.org/shareyou..., https://commons.wikimedia.org/w/index...
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