Weather | 3 | |
Ocean / Sea | 2 | |
Birds | 1 | |
Marine Mammals | 1 |
Extreme Temperature | 3 | |
Ice / Snow Change | 2 | |
Deformity / Disease / Injury | 1 | |
Extreme Precipitation | 1 | |
Pathogen | 1 |
Safety | 4 | |
Transportation | 2 |
2 | 4 |
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Russia | 2 | |
Svalbard and Jan Mayen | 1 | |
United States | 1 |