He is now wearing his second collar having lost his first one fitted in 2011. He does have a green ring on his right leg so easily identified.
I was out on the Plateau today and managed to find a small group of Whooper Swan who we don't often see. Picture below.
I attach two shots taken from the north edge of the Slamannan Plateau near Shieldhill Falkirk which shows nicely how high the area is where the bean geese winter. The area is over 200m in height.
View North West to Trossachs from Shieldhill Falkirk