Richard Klim
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Ferguson-Lees & Christie 2001 'Raptors of the World' included Spilornis perplexus 'Ryukyu Serpent-eagle' and Falco altaicus 'Altai Falcon' as full species.
I would be grateful if someone with access to a copy of the derivative title, Ferguson-Lees & Christie 2005 'Raptors of the World: a field guide', could confirm whether the same treatment is maintained in the later publication.
Thanks.
Richard
I would be grateful if someone with access to a copy of the derivative title, Ferguson-Lees & Christie 2005 'Raptors of the World: a field guide', could confirm whether the same treatment is maintained in the later publication.
Thanks.
Richard