As many have read, the migration this year is _huge_, estimated 500,000.
On Saturday afternoon, we drove down to Lancaster from Ottawa, and we could see many flocks flying right over the 401 and several flocks were visible from the 401.
At sunset, they came back to the St Lawrence River, quite the spectacle.
http://www.youtube.com/watch?v=y6IcNlSfIGs ... I took this Saturday evening approx 7pm, sorry for the bad audio but the wind is also quite strong.