Ocean / Sea | 8 | |
Surface Waters / Wetlands | 4 | |
Birds | 3 | |
Fish | 3 | |
Marine Mammals | 3 | |
Invertebrates | 2 | |
Land Mammals | 1 |
Death / Die-off / Decline | 13 | |
Unusual Range / Sighting | 2 | |
Physical or Chemical Change | 1 | |
Deformity / Disease / Injury | 1 | |
Drought | 1 | |
Extreme Temperature | 1 | |
Pathogen | 1 |
4 | 6 | 2 | 1 |
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5 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
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WINTER | 5 | |
FALL | 3 | |
SPRING | 2 | |
SUMMER | 1 |
United States | 7 | |
Canada | 1 | |
Mexico | 1 | |
Russia | 1 |