Interesting angle and some nice details. Like the diagonal composition. Wish there were a bit larger depth of focus - and the bill were included. A bit grainy n the gark green to the right.
That's a very good photograph; it captures the formality and aloofness of the swan using an unusual point of view (i.e. without the arched neck & reflections in water normally employed to achieve the same effect). Good example of finding a macro view that's a legitimate microcosm of the whole. 8