The new report on rare birds in Spain 2005 of Ardeola, the official scientific journal of Spanish Society of Ornithology, SEO/BirdLife, has referring significant data to the north of Spain.
In the report it is possible to see, like the Cantabrian coast is one of the zones where more arrivals of rare birds take place, of birds of the north of Europe and America.
For the province of Burgos, there are two records, one homologate and other no.
First, an adult male hunted with shotgun corresponds to Ring-necked Duck (Aythya collaris) the 25 of November of 1990 in the village of Palacios de la Sierra, in the river Arlanza.
This record also figure in the Yearbook of birds of Burgos.
The not holomogate record, correspond to Red-eyed Vireo (Vireo olivaceus), of 1999, of which it seems that insufficiency information was sent.
More information about rare birds in spain, in the Ricard Gutiérrez personal homepage Rare Birds in Spain