Death / Die-off / Decline | 4 | |
Unusual Animal Behavior | 3 | |
Deformity / Disease / Injury | 2 | |
Erosion | 1 | |
Unusual Range / Sighting | 1 | |
Sea/Land Level Change | 1 | |
Pathogen | 1 |
2 | 3 | 4 |
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United States | 4 | |
Russia | 1 | |
Svalbard and Jan Mayen | 1 |