Unlike the birds found in England , Shetland has genuine wild birds from Iceland, but they still cause damage and farmers in the south mainland are suffering from the amount of geese feeding in the fields. As there an no natural predators, other than perhaps the odd otter taking young or eggs left at an unattended nest, numbers are now extremely high and need controlling.
A recent census by the Shetland Bird club revealed at least 5,000 individuals which are resident and a wintering population of over 7,250
Last year in June we also saw a Canada Goose down at Sumburgh Farm, only the second one we have seen. In South Yorks and Derbyshire numbers have been controlled for a number of years now, not be shooting but by making sure eggs are destroyed. In the 1990's I took part in a wild fowl count down at Rothervalley CP and noted that 500 birds, with some birds moving between Clumber Park , another strong hold.
At that time only around a dozen Grey lag would be present but now these numbers have swelled to around a 100