https://www.bto.org/our-work/science/publications/reports/research-reports/00454-bto-barn-owl-monitoring-programme-sixth-year-2005
The BTO Barn Owl Monitoring Programme: sixth year 2005
The BTO Barn Owl Monitoring Programme: sixth year 2005
Citation
Leech, D.I., Barimore, C.J., Crick, H.Q.P. & Shawyer, C.R. 2006. The BTO Barn Owl Monitoring Programme: sixth year 2005.