1cy October (male), showing variation in colour, shape and wear to the juvenile PC. Like the former bird, GC1-2 are juvenile in contrast to post-juvenile inner GC3-10. [1ES79588]
1cy October (male), showing variation in colour, shape and wear to the juvenile PC. Like the former bird, GC1-2 are juvenile in contrast to post-juvenile inner GC3-10. [1ES79588]