Mute Swan

Cygnus olor

The mute swan is a species of swan and a member of the family Anatidae within the waterfowl order. It is native to much of Europe and parts of Asia and the far north of Africa. It is an introduced species in North America, home to the largest populations outside of its native range, with additional smaller introductions in Australasia and Southern Africa. The name "mute" derives from it being less vocal than other swan species. Typically measuring 140 to 160 cm in length, this large swan is wholly white in plumage, with an orange beak bordered with black. It is recognisable by its pronounced knob atop the beak, which is larger in males. Source

Where it is now

In the last 8 weeks this bird was recorded 20,488 times across 65 areas (each area is a 5 degree square).

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Movement and weather

Each season it is first heard regularly where daytime highs are around 17°C (typically 15 to 24°C, from 9 areas).

Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.