| Titre : | A living specimen of the dark form of Steller's Sea Eagle, Haliaeetus pelagicus ("niger") in captivity (2011) |
| Auteurs : | Martin Kaiser, Auteur |
| Type de document : | Article |
| Dans : | Journal of Ornithology (152(1) JAN 2011) |
| Article en page(s) : | 207-208 |
| Langues: | Anglais |
| Résumé : | Berlin Tierpark has a breeding female of the dark form of Steller's Sea Eagle Haliaeetus pelagicus ("niger") . This is the first known specimen for about half a century and the first evidence that it is not a subspecies but just a colour phase. |



