The immature male blackbirds are losing their brown female look and darkening up, some are already almost indistinguishable from the splendid black adult males, but are lacking the bright orange bill of the mature adult male.
If you watch the blackbirds carefully you will be able to spot brown females with brown beaks, brownish black immature males with brown beaks and glorious adult males with their glossy black coats and stunning orange bills.
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