Work on House Sparrows

Our work on House Sparrows has, in addition to data collected through the BTO House Sparrow Survey, involved examination of data collected through both BTO Garden BirdWatch and the Garden Bird Feeding Survey. This work is ongoing, underlining that there is still more to learn about the reasons behind the decline in House Sparrow populations.

Morrison, K.A., Robinson, R.A., Leech, D.I., Dadam, D. & Toms, M.P. (2014) Using citizen science to investigate the role of productivity in House Sparrow Passer domesticus population trends. Abstract

Shaw, L.M., Chamberlain, D., Conway, G. & Toms, M. (2011) Spatial distribution and habitat preferences of the House Sparrow, Passer domesticus in urbanised landscapes. BTO Research Report 599 - Abstract -

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Chamberlain, D.E., Toms, M.P., Cleary-McHarg, R. & Banks, A.N. (2007) House Sparrow (Passer domesticus) habitat use in urbanized landscapes. Journal of Ornithology 148: 453-462. Abstract

BirdTrack migration blog – early spring

It may still feel like winter but for some species, the increasing temperatures and lengthening days have already kick-started spring migration, with birds starting to arrive and depart across Britain and Ireland.