| Titre : | Bird bones and biogeography: Iberian Azure-winged magpies come in from the cold |
| Auteurs : | Joanne H. Cooper, Auteur ; K. H. Voous, Auteur |
| Type de document : | Article |
| Dans : | British Birds (92(12) dEC., 1999) |
| Article en page(s) : | 659-665 |
| Résumé : | Is the Azure-winged Magpie Cyanopica cyanus an alien in Portugal and Spain, introduced from China a few centuries ago by spice traders, or a relic surviving from a formerly much more widespread natural population? Now, archaeological examination of cave deposits in Gibraltar has provided the answer. |



