Instructing of Juveniles

This photo was taken using the best of all the lenses in the world. Canon EF 70-200 2.8 USM IS II. It is a lens of beauty. Note this picture is taken with crop sensor camera. So this is in fact about 300mm equivalent of focus distance. Those swans were exercising and I have seen a lot of nice scenes like this one. Thanks for a friend for this great lens to test out. It was the reason for me buying the Canon 100-400 4-5.6 IS USM. This was a start of the bird watching hobby of mine. I have never experienced usage of Canon L lenses before. Thanks my now distant friend Nazar for expediting me on this journey too. 

Full Flickr version:

 Canon 650D, Canon EF 70-200L ƒ2.8 IS USM II, at 200mm, ISO100, 1/640, ƒ/2.8