Table 1.
A summary of waterfowl observed on retention ponds associated with commercial poultry farms in Dorchester and Somerset counties, Maryland, from 20 September 2022 to 31 March 2023.
| Species | Sites observed | Max observed |
|---|---|---|
| Blue-winged teal | 2 | 2 |
| Bufflehead | 2 | 14 |
| Canada goose | 6 | 132 |
| Gadwall | 1 | 1 |
| Hooded merganser | 3 | 12 |
| Mallard | 4 | 16 |
| Northern pintail | 1 | 5 |
| Northern shoveler | 2 | 3 |
| Ruddy duck | 1 | 20 |
| Wood duck | 3 | 2 |
Values indicate the number of sites at which a given species was observed and the maximum number of individuals from that species observed during a single survey. All data supporting this figure are available from Sullivan et al. [36].