https://www.bto.org/our-work/science/publications/reports/research-reports/00341-barn-owl-monitoring-programme-report-03
The BTO Barn Owl Monitoring Programme: third year 2002
The BTO Barn Owl Monitoring Programme: third year 2002
Citation
Leech, D.I., Marchant, J.H., Beaven, L.P. & Crick, H.Q.P. 2003. The BTO Barn Owl Monitoring Programme: third year 2002.