Lesser Black-backed Gull Larus fuscusAdult winter graellsii, West Midlands, November 2004 |

Adult graellsii with full set of new primaries. All primaries fresh and of uniform age. Note reasonably clear contrast between black subterminal marks on outer primaries and the dark grey bases. This characterises graellsii c.f. intermedius, where the contrast is generally much reduced.
© A. R. Dean
|
|
Home |
Mediterranean
| Laughing |
Franklin's |
Little |
Sabine's |
Bonaparte's |
Black-headed |
Ring-billed | Common |
Lesser Black-backed | |