Porter, R.F. (et al). Flight Identification of European Raptors. 2nd. Ed. Rep. Pub. Poyser. 1978
pp.184 with 80 b/w. plates to rear and b/w. illus. throughout. Large 8vo. Nr. fine hardback in vg. laminated dw.
The 38 European species have been grouped into seven sections, each bringing together those species most easily confused. Each group has an introductory comparative text and drawings, and the species within the groups are then treated individually.
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