(2 images): LBBG intermedius sub-adult, September 24 2001, IJmuiden, the Netherlands.
Sub-adult LBBG, maybe 3cy but probably 4cy. P5 fully grown and P7-P10 still present. Very low moult pace or near arresting moult. Sub-species intermedius, compared to local adult Dutch LBBG, ringed at IJmuiden: 9=. Note the shape of head streaking as a collar.