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Sciuridae Sciurus niger (fox squirrel) Image Caption: Crab apples, air dried and frozen on the tree, provide this fox squirrel with winter energy to stay alive in sub-zero temperatures. Although squirrels prefer other foods, crab apples provide about 3.2 kJ / gram of energy (Nutrient Facts, n.d.) and squirrels probably find them easier to access than acorns buried under up to a foot of snow and frozen soil. |
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Image Location: United States, South Dakota, Brookings Image Date: 2009JAN14 Image Species: Sciurus niger rufiventer (EXIF infomation is accurate – stamped in UTC). Web Page and Pictures By Peter Leitheiser Updated: 2009JAN14 |