A comprehensive illustrated guide to the Old World family of birds in the HELM IDENTIFICATION series. The Indo-Malayan and Afro-tropical varieties are covered, along with the New World immigrants, and the text together with drawings, maps and photographs show aspects of bird behaviour, distribution and natural history.
A comprehensive illustrated guide to the Old World family of birds in the HELM IDENTIFICATION series. The Indo-Malayan and Afro-tropical varieties are...
Based on phylogenetic research, this complete study of the genus Sylvia describes two new species and establishes identification criteria for all members of the family.
Based on phylogenetic research, this complete study of the genus Sylvia describes two new species and establishes identification criteria for all memb...
