age / gender | ad. |
specimen key | 164/25/35/1 |
finding circumstances | breed bird |
coll. | 2d81 |
Scientific feather collection Wilfried Hansen. Commercial use permitted under CC BY 4.0 license as long as credit is given to Wilfried Hansen and the Feather Research Group est. 1972 | |
created: 10.04.2024 |
das Großgefieder der juv. ist grauer, vgl. Abb. CLEMENT, „Fin- ches and Sparrows“. Plate 73