Cygnus atratus
A striking, all-black swan, native to Australia but now breeding wild in Britain.
Size: 110-142 cm | Habitat: Pond, Lake & River Birds | Season: All year
Unmistakable and entirely black except for white flight feathers visible only in flight, the black swan has a long, elegant neck and a bright red bill. Native to Australia, escaped and released birds have established a small, self-sustaining feral population in parts of the UK.
All-black plumage · white flight feathers, visible in flight · bright red bill with a pale band near the tip · long, elegant neck, often held in a graceful curve
Black swans graze on waterside vegetation and aquatic plants much like the native mute swan, and can be just as territorial when breeding. Small numbers now breed successfully in the wild in Britain, having escaped or been released from ornamental wildfowl collections.
Black swans are one of around 48 non-native bird species that have successfully bred in the wild in Britain — all descended from escaped or deliberately released ornamental birds.
The Black Swan (Cygnus atratus) is unmistakable among Britain's waterbirds: entirely black except for white flight feathers only visible in flight, with a long, graceful neck and a bright red bill. Native to Australia, it has no natural presence in the UK at all.
Like the UK's native mute swan, black swans graze on aquatic and waterside vegetation and can be strongly territorial while breeding, but their UK story began entirely differently: as popular ornamental birds in wildfowl collections and private lakes, from which escaped or deliberately released individuals gradually established a small, self-sustaining wild population, most notably centred on the Norfolk Broads.
Understanding the black swan's presence in Britain is a useful lesson in how ornamental and captive bird collections can, over time, seed genuinely wild, breeding populations of species with no natural connection to the UK at all.
⚪ Conservation status: Not formally assessed (UK Birds of Conservation Concern 5)
As a non-native species originating from escaped or released ornamental wildfowl, the black swan falls outside the scope of the UK's conservation status assessments, which focus on naturally occurring wild bird populations. Its small UK breeding population, centred on the Norfolk Broads, is self-sustaining but still relatively localised.