The e-version of this seminal Poyser classic.These four, the Gyrfalcon F. rusticolus, SakerF. cherrug, LannerF. biarmicus and Peregrine F. peregrinus, present problems of field identification generally, but ... All four are found in open country, from tundra through to moorland and desert.
|Title||:||Flight Identification of European Raptors|
|Author||:||R.F Porter, Ian Willis, Steen Christensen, Bent Pors Nielsen|
|Publisher||:||A&C Black - 2010-11-30|