Learn & discover What is the dawn chorus? Birdsong fact file Tree Sparrow (Passer montanus) Tree Sparrow by david m, Xeno-canto Your browser does not support the audio element. Please click here to download the file Tree Sparrow (Passer montanus) Alert Status: RedIdentifying Features: Smaller than the house sparrow. Both males and females have the chocolate brown head. Average Length: 14 cmAverage Lifespan: 2 yearsAverage Wingspan: 20 - 22 cmBeak type: SeedsFeeding:Natural: Aphids, caterpillars, flies, beetles and seedsHow to feed: Hanging feeders & bird tablesWhat to feed: Mixed seeds, linseeds, sunflower hearts, peanut granulesNesting: Tree sparrows will mate for life, nesting in a domed or cup shaped nest made of twigs & leaves and lined with down, moss and hair. Will use a nest box.Where to see: Main population can be found across the midlands, eastern & southern England. Usually found in hedgerows & edges of woodlands.