Unusual Range / Sighting | 4 | |
Unusual Animal Behavior | 3 | |
Death / Die-off / Decline | 3 | |
Ice / Snow Change | 2 | |
Pollution | 1 |
Economic Impact | 1 | |
Fisheries | 1 | |
Human Health | 1 | |
Safety | 1 |
3 | 3 | 2 | 5 | 1 | 1 |
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2 | 1 | 1 | 2 | 3 | 1 | 2 | 1 | 1 | 1 |
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FALL | 4 | |
SPRING | 4 | |
SUMMER | 4 | |
WINTER | 3 |
Russia | 5 | |
United States | 3 | |
Estonia | 1 | |
Japan | 1 |