Tufted Duck Welfare: Urban Reservoirs and Water Quality

Tufted ducks are familiar diving ducks found on reservoirs and lakes across the UK. Their welfare depends heavily on water quality and freedom from lead contamination.

Key Facts

Tufted ducks are one of the UK's most common diving ducks, numbering around 100,000 in winter
They are year-round residents in the UK with a stable breeding population
Tufted ducks dive to around 14 metres to feed on molluscs, particularly the zebra mussel
Lead poisoning from anglers' weights is a significant mortality cause on urban lakes
Reservoirs used for recreational fishing carry the highest lead poisoning risk
Botulism outbreaks during warm summers can cause mass mortality on eutrophic water bodies

Welfare Considerations

Tufted duck welfare is directly threatened by lead in fishing environments. Studies of birds from urban parks and reservoirs show elevated blood lead levels in a significant proportion of the population. Lead poisoning causes progressive weakness, loss of coordination, and death from starvation or drowning. The shift to non-toxic fishing weights is therefore a direct welfare intervention. Maintaining clean, well-oxygenated water supports the invertebrate communities tufted ducks need to thrive.

What You Can Do

Use only lead-free fishing weights when angling
Advocate for mandatory lead-free tackle in all public water bodies
Support water quality monitoring programmes on local lakes
Report sick or dying diving ducks to local wildlife hospitals
Donate to WWT and RSPB freshwater habitat management