Winter definitely arrived this week at RSPB Loch of Kinnordy; it has been sunny but very cold. Amoung our slightly unusual visitors recently we have had a Bittern, Bearded Tits, Water Rail, and a Green-Winged Teal, normally a North American resident. There are still some Whooper swans around, as well as Mute swans, Teal, Wigeon, Mallard, Goldeneye, Goosander, and today (29/11/12) over 500 Greylag geese, many of which roost…