The pellet exterior consisted of fur Northeast 95.4% Northwest 97.4% Southeast 93.9% Southwest 95.4%
| The pellet exterior consisted of feathers Northeast 14.9% Northwest 13.4% Southeast 21.9% Southwest 14.9%
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The pellet exterior consisted of other items Northeast 0% Northwest 8.1% Southeast 14.3% Southwest 15.9%
| Average number of pelvic bones found per pellet Northeast 3.2 Northwest 3.4 Southeast 3.4 Southwest 4
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Average number of vertebras found per pellet Northeast 9.8 Northwest 10.8 Southeast 11 Southwest 11.9
| Average number of scapulas found per pellet Northeast 2.7 Northwest 3 Southeast 3.2 Southwest 3.6
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Average number of ribs found per pellet Northeast 17.2 Northwest 17.7 Southeast 14.7 Southwest 19.8
| Average number of tibias found per pellet Northeast 4.7 Northwest 4.5 Southeast 3.7 Southwest 5.4
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Average number of humeri found per pellet Northeast 4 Northwest 3.8 Southeast 3.7 Southwest 4.8
| Average number of femurs found per pellet Northeast 3.8 Northwest 3.9 Southeast 3.4 Southwest 4.8
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Percentage of owl pellets with rat skulls Northeast 44.7% Northwest 43.2% Southeast 48.3% Southwest 41.5%
| Average number of rat skulls in pellets containing rat skulls Northeast 2.3 Northwest 1.8 Southeast 2.1 Southwest 2.8
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Percentage of owl pellets with mice skulls Northeast 31.3% Northwest 30.5% Southeast 28.1% Southwest 36.3%
| Average number of mice skulls in pellets containing mice skulls Northeast 2.3 Northwest 2 Southeast 2.3 Southwest 3.3
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Percentage of owl pellets with vole skulls Northeast 33.5% Northwest 37.3% Southeast 30.8% Southwest 33%
| Average number of vole skulls in pellets containing vole skulls Northeast 2.3 Northwest 1.8 Southeast 2.4 Southwest 3.5
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Percentage of owl pellets with shrew skulls Northeast 23.7% Northwest 23.3% Southeast 27.5% Southwest 22.6%
| Average number of shrew skulls in pellets containing shrew skulls Northeast 2.6 Northwest 2 Southeast 2.3 Southwest 4.5
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Percentage of owl pellets with mole skulls Northeast 11.5% Northwest 8.9% Southeast 13.6% Southwest 11.3%
| Average number of mole skulls in pellets containing mole skulls Northeast 3.1 Northwest 1.7 Southeast 2.9 Southwest 6.7
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Percentage of owl pellets with bird skulls Northeast 11.3% Northwest 9.3% Southeast 12.2% Southwest 10.2%
| Average number of bird skulls in pellets containing bird skulls Northeast 3.6 Northwest 2 Southeast 2.4 Southwest 5.6
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