Ageing and sexing of migratory east Asian passerines.
Avium Forlag, 2020. Quarto, colour photographs, signature, laminated boards. Text in English and Mandarin. More
Avium Forlag, 2020. Quarto, colour photographs, signature, laminated boards. Text in English and Mandarin. More
London: Collins, (1950. first edition). Octavo, colour plates, signatures, worn dustwrapper. New Naturalist Monograph number four. More
London: Christopher Helm/A & C Black, 2003. Octavo, 26 colour plates, 240 colour photographs, maps and text illustrations, signature, fine copy in dustwrapper. The first guide to cover the 26 species of Holarctic pipits and wagtails in detail. The species accounts cover all aspects of identification (taxonomy, size and structure..... More