Birds | 8 | |
Ocean / Sea | 7 | |
Marine Mammals | 5 | |
Fish | 3 | |
Surface Waters / Wetlands | 3 | |
Invertebrates | 2 | |
Land Mammals | 2 |
Death / Die-off / Decline | 19 | |
Deformity / Disease / Injury | 4 | |
Unusual Range / Sighting | 2 | |
Pathogen | 2 | |
Physical or Chemical Change | 1 | |
Drought | 1 | |
Extreme Temperature | 1 | |
Parasite | 1 |
4 | 6 | 7 | 2 |
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3 | 1 | 2 | 1 | 2 | 2 | 3 | 1 | 1 | 3 |
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FALL | 5 | |
WINTER | 5 | |
SPRING | 3 | |
SUMMER | 2 |
United States | 7 | |
Russia | 2 | |
Canada | 1 | |
Falkland Islands | 1 | |
Mexico | 1 | |
United Kingdom | 1 |