Tree Sparrow Welfare in UK Farmland

The tree sparrow has declined by 95% in the UK since the 1970s. Targeted supplementary feeding and nest box provision are the most effective welfare interventions.

Key Facts

Tree sparrow numbers fell by over 95% in the UK between 1970 and the late 1990s
They nest in holes in old trees, buildings, and readily adopt nest boxes
Winter survival depends on seed food including grain spills and weed seeds
Agri-environment scheme options with supplementary feeding have enabled local population recovery
They form mixed flocks with house sparrows and finches in winter

Welfare Considerations

Tree sparrow welfare depends on winter food availability and nesting site provision. The collapse of arable farmland structure with clean harvesting and herbicide elimination of weed seeds removed their winter food base. Targeted supplementary feeding on farms throughout winter, combined with nest box provision, has enabled localised population recovery demonstrating direct welfare intervention effectiveness. Supporting farms with tree sparrow plots under agri-environment schemes provides both the food and nest sites the species requires.

What You Can Do

Install tree sparrow nest boxes in farmland gardens and orchards
Provide millet and other small seeds in winter feeders for tree sparrows
Support farms with tree sparrow agri-environment scheme options
Donate to RSPB tree sparrow recovery projects in key farmland areas