Invasion
Invasion Description
None
Geographic Extent
Cape Cod, Massachusetts Bay, Maine, Nova Scotia (occasionally occurring, probably non-breeding) (Gosner 1978; Williams 1984; Johnson 2015)
Vectors
| Level | Vector |
|---|---|
| Probable | Natural Dispersal |
None
Cape Cod, Massachusetts Bay, Maine, Nova Scotia (occasionally occurring, probably non-breeding) (Gosner 1978; Williams 1984; Johnson 2015)
| Level | Vector |
|---|---|
| Probable | Natural Dispersal |