Plural of blackcap; multiple small songbirds with distinctive black head markings.
Plural of 'blackcap' (from 'black' and 'cap'). Refers to multiple birds of this species.
Winter blackcaps arriving in Britain is a recent phenomenon—only a few decades ago, blackcaps didn't overwinter there, but some birds now skip their usual African migration, possibly due to bird feeders and milder winters.
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