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Subject
- Animal migration--Climatic factors[remove]8
- Mammals7
- Caribou5
- Caribou--Migration5
- Migratory animals5
- Animal swimming4
- Fords (Stream crossings)4
- Antlers3
- Winter3
- National parks and reserves2
- Rivers2
- Snow2
- Wolves2
- Wolves--Ecology2
- Wolves--Geographical distribution2
- Animal behavior1
- Animal locomotion1
- Cold adaptation1
- Hibernation1
- McTaggart-Cowan, Ian, 1910-20101