Text from RSPB:
Noisy and gregarious, these cheerful exploiters of man’s rubbish and wastefulness, have managed to colonise most of the world. The ultimate avian opportunist perhaps. Monitoring suggests a severe decline in the UK house sparrow population, recently estimated as dropping by 71 per cent between 1977 and 2008 with substantial declines in both rural and urban populations. Whilst the decline in England continues, Breeding Bird Survey data indicate recent population increases in Scotland, Wales and Northern Ireland.
Overview
Latin name
Passer domesticus
Family
Sparrows (Passeridae)
Where to see them
Found from the centre of cities to the farmland of the countryside, it feeds and breeds near to people. Vanishing from the centre of many cities, but not uncommon in most towns and villages. It is absent from parts of the Scottish Highlands and is thinly distributed in most upland areas.
When to see them
All year-round.
What they…
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Science on the Land 