Analysis of avian DNA, biometrics and vocalisations add to our understanding of bird species all the time. We cover all the 'splits', lumps and discoveries.

White-tipped Dove is one of the several species likely to be split after new research. photo: Tim Whitehouse (

Doves from above?

A genetic study to evaluate dispersal between North and South america has identified potential new species among American doves.


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Cory's Shearwater, taken from a Scilly Pelagic, 5 August 2005. Photo by Ben Lascelles.

Seabird splits

Having speculated about transatlantic, Macaronesian and Mediterranean splits, David Callahan turns to the tricky subject of potential new...


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Britain has harboured five Lesser Sand Plovers, a species which could be split. This mongolus male (Keyhaven Marshes, Hampshire, 22-26 July 2003) shows the distinctive rufous-toned breast and grey-brown flank streaks. Photo by Andy Farr.

Wonders of the Orient

In the final part of his examination of possible new species that could make the British, Irish and Western Palearctic lists, David...


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Madeiran Firecrest, photographed on Madeira in April 2009. Photo by Andrew Moon.

Ticks in waiting

Continuing his occasional series on avian taxonomy, David Callahan looks at possible landbird splits on the Atlantic islands and in the...


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