Scientific name: Passer montanus
A scarce and declining bird, the tree sparrow can be spotted on farmland and in woodlands; it is not an urban bird in the UK. It has a brown cap and black cheek-spots, unlike the similar house sparrow.
Average lifespan: 2 years
Classified in the UK as Red under the Birds of Conservation Concern 4: the Red List for Birds (2015). Priority Species under the UK Post-2010 Biodiversity Framework.