The House sparrow is arguably the bird species that has best adapted and exploited humans. They enormously adaptable and have colonised most of the world, and have been recording living alongside humans for millennia. Despite this success, their population in Britain has plummeted over the last forty years, by as much as 70% nationally and as much as 99% in some urban areas. As such, they are a species of particular conservation concern in the UK.
Can be confused with Tree Sparrow, with both sexes having similar colouring to male House sparrows. Distinguishing feature of House sparrows is the grey crown, which is brown in Tree sparrows. Tree sparrows also have bold square black spot on the cheek. Also may be confused with Dunnock, which also has brown streaked upperparts. However, the Dunnock has quite a slim, pointy bill and a blue-grey breast and head.Record a sighting