Although they resumed breeding in Shetland in 1994 when a pair successfully bred in the north mainland they have since bred most years , with approx 6-8 pairs in recent years.
Shetland holds around 50% of the UK breeding birds. Breeding occurs in Northern latitudes from Iceland to Scandinavia to Siberia. We have seen birds in May & June in the south and west mainland and in Unst. On one occasion a whooper swan was seen fighting with a mute swan which also breeds in small numbers.
Numbers are swelled by migrant birds from Iceland during autumn, with Spiggie Lock hold around a quarter of these birds. A count made by the Shetland bird club in November 2010 revealed 225 present in all parts of the isles.
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