(1.) Typical caudatus. Hanko, Finland 18 October 2005.
(2.) Another typical caudatus. Hanko, Finland 20 October 2005.
(3.) Same as in photo 2
(4.) Same as in photos 2 and 3.
(5.) Another typical nominate. Bases of head-feathers are black and sometimes they are visible. October 2005 Hanko, Finland.
(6.) This bird has weak blackish "supercilium". October 2005 Hanko, Finland.
(7.) This has even stronger one. This is from the same group of birds than previous one. Birds with some black on head come often in groups. October 2005 Hanko, Finland.
(8.) Normal nominate and a bird with quite a lot blackish on head. October 2000 Hanko, Finland. (c) Petro Pynnönen
(9.) Breeding bird from Austria. Not so much black.