I had thought initially it was just the one adult loose in the lake, but seeing the young ones means there could be a nest, probably somewhere remote on, like, one of the islands.
Ég héIt fyrst ađ ađeins ein fullorđin væri í vatninu, en ūessi ungi ūũđir ađ ūađ gæti veriđ hreiđur, á afskekktum stađ, líklega einhverri eyjunni.