Does mist-netting provide reliable data to determine the sex and age ratios of migrating birds? A case study involving the Great Tit (Parus major) and the Blue Tit (Cyanistes caeruleus)
Jarosław K. Nowakowski, Jacek Chruściel, Krzysztof Muś
Speed of autumn migration of the Blue Tit (Parus caeruleus) along the eastern and southern Baltic coast
Jarosław Nowakowski, Jacek Chruściel
An Index to Estimate the Wing Area in A Small Passerine, Using the Blue Tit (Cyanistes caeruleus) As A Case Study
Jarosław Nowakowski, Jacek Chruściel
Any change in the Methodology of field studies on bird Migration? A comparison of methods used in 1994-2003 and a Quarter Century earlier
Jarosław Nowakowski, Jacek Chruściel, Małgorzata Ginter, Katarzyna Rosińska