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- Art McMorris
- DVOC
- March 3, 2005
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- Boreal Owl
- Mature spruce-fir forest: no
crust
- Northern Saw-whet Owl
- Less northern; semi-migratory
- Mature forest, dense vegetation:
no crust
- Favors areas with some south-facing slopes
- Northern Hawk Owl
- Mature forest: no crust
- Infrequent snow plunger
- Shifts significantly to birds in winter
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- Great Gray Owl
- Small feet
- Specialized for plunging through crust
- Small prey
- Other Large Northern Owls
- Larger feet
- Do not plunge through crust
- Larger choice of prey type and size
- Other Small-Footed Northern Owls
- Small prey …but
- Don’t plunge through crust
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