We explain the general principles of shorebird identification, with an emphasis on ageing and sexing waders using plumage characteristics. For a species-by-species summary of these principles and how they can inform and enrich your observations of birds when observing them in the field, click here . Winter adult Common Redshank. The rings on this bird confirmed it as a 4cy bird. In autumn/winter, adult shorebirds (or waders) will be into their complete post-breeding moult, lo
