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 -
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
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Too wet to nest?
A common issue that many analysts of biological data encounter is that of detectability. For a human population we can (in principle) count every individual. For wildlife though, things are trickier, and only rarely is...
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