Mr Sefland told me the birds chose that spot because Arctic foxes, which prey on young ducks and eggs, are scared of huskies and will not intrude.

• 塞弗兰告诉我，绒鸭之所以选择这里，是因为爱偷吃小鸭和鸭蛋的北极狐害怕雪橇犬，这样他们就不会来侵犯了。