Birds | 1 | |
Land | 1 | |
Ocean / Sea | 1 | |
Surface Waters / Wetlands | 1 | |
Weather | 1 |
Death / Die-off / Decline | 2 | |
Fire | 2 | |
Physical or Chemical Change | 1 | |
Drought | 1 | |
Extreme Temperature | 1 | |
Extreme Wind | 1 | |
Flooding / Draining | 1 |
2 | 3 |
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Canada | 3 | |
Brazil | 1 |