Tails can be observed as analogous structures among species
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| American Alligator (Alligator mississippiensis) [42.06626,-71.586476] |
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| Grevy's Zebra (Equus grevyi) [42.063918,-71.58609] |
Wings can also be observed as analogous structures among species
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| Cockatiel (Nymphicus hollandicus) |
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| Common Darter (Sympetrum striolatum) |
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