Latin name
Mergus merganser
Family
Swans, ducks and geese (Anatidae)
Where to see them
Upland rivers of N England, Scotland and Wales in summer. In winter they move to lakes, gravel pits and reservoirs, occasionally to sheltered estuaries.
When to see them
All year in breeding range, but only in winter across England south of the Humber.
What they eat
Fish
Population
| Europe | UK breeding* | UK wintering* | UK passage* | | - | 2,600 pairs | 12,000 birds | - |