Great Crested Grebe Welfare and Lake Disturbance in the UK

Great crested grebes are one of the UK's most distinctive waterbirds, with welfare threatened by recreational disturbance on lakes and reservoirs during the breeding season.

Key Facts

Great crested grebes recovered from near-extinction in the UK in the 19th century through legal protection
The UK breeding population now numbers over 6,000 pairs on lakes, reservoirs, and gravel pits
They build floating nests anchored to emergent vegetation and are sensitive to wave wash
Elaborate courtship displays are easily disrupted by boat traffic and kayaking
Chicks are carried on parent backs for warmth during the early weeks of life

Welfare Considerations

Great crested grebe welfare during the breeding season is acutely threatened by recreational water sports that cause wave wash flooding nests and flushing adults from incubating eggs. Chicks carried on parental backs are exposed to cold water and predation when adults are repeatedly disturbed. The proximity of grebe nests to open water makes them easily accessible to recreational craft, requiring active management of water access during the breeding period. Voluntary speed restrictions and exclusion zones during April-July significantly reduce breeding welfare impacts at popular recreational lakes.

What You Can Do

Respect voluntary and mandatory speed restrictions and exclusion zones at grebe nesting lakes
Report nest disturbance from water craft to local wildlife groups or nature reserve wardens
Support local wildlife trusts managing recreational access at grebe breeding sites
Contribute grebe breeding data to BTO Waterways Broad Survey monitoring
Engage with water sport clubs on responsible access protocols during grebe breeding season