Motacilla alba

Bird Reference Citations. The numbers inserted in the text accounts above (usually in bold) refer to references. For further details on these references, click on the BirdLife International link above to go to the specific species account on the BirdLife web site. In some cases, particularly in the taxonomic notes, the references are cited using the author names. Details for these can be found on the BirdLife International web site at the following two places: For References from A–L. For References from M–Z.

BirdLife International 2006. Threatened Birds of the World 2006. Downloaded from http://www.birdlife.org on 04/05/2006.