Urban Wildlife

Starling Welfare and Winter Roost Disturbance

Starlings form spectacular winter murmurations before roosting communally in reedbeds and urban structures. Roost disturbance by humans, raptors, or management activities causes repeated flushing that costs the birds significant energy and warmth.

Key Facts

Starling populations have declined by 66% in the UK since 1970
Winter murmurations can contain millions of birds, providing warmth and predator dilution
UK bird counts show large wintering populations augmented by Continental European migrants
Roost sites in urban structures are increasingly used as traditional reedbed sites decline
UK starlings are amber-listed on the Birds of Conservation Concern list

Welfare Considerations

Repeated flushing of communal roosts costs significant energy in birds that are already in energy deficit during cold winter nights. Roosting behaviour serves to maximise body warmth through huddle effects, and disturbance prevents birds from settling and entering energy-saving torpor. Deliberate harassment of roosts to disperse starlings from buildings is a welfare concern when it occurs repeatedly over the winter period.

What You Can Do

Watch murmurations from a respectful distance that does not cause flushing
Never deliberately flush roosting birds for entertainment
Advocate for wildlife-sensitive roost management strategies where conflict arises
Support RSPB and BTO starling monitoring and conservation work
Plant native berry-bearing shrubs to improve starling foraging habitat in winter