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Digimorph - Sciurus niger (Eastern fox squirrel) |
 | | Sciurus niger, the eastern fox squirrel, is the largest tree squirrel in North America. |
 | | This can be easily seen by comparing Sciurus to Cynomys ludovicianus, the fl-tailed prairie dog, Spermophilus columbianus, the Columbian ground squirrel, and S. |
 | | However, allozyme studies suggest that Sciurus is most closely related to Microsciurus, the neotropical dwarf squirrels, and together they form a clade that is the sister taxon to Tamiasciurus, the red squirrels. |
| www.digimorph.org /specimens/Sciurus_niger (388 words) |
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