Career
He specialises in the identification of passerine birds. In 2008 he published a paper on the poorly known large-billed reed-warbler (Acrocephalus orinus) which "dramatically changed ornithological perception of the Large-billed Reed Warbler".
- Photos
- Works
- Photos
- Works
book
Identification guide to european passerines
http://www.amazon.com/gp/product/9172609575/?tag=2022091-20
