St. James's Park: Roscillating

Wavier in large.
Alternatives: Alert! and Handsome smew

Tricky choice...
It felt obvious that it'd be the Ross'sling +/- its parents (and I intended only to photograph them and their cute shapes), but then there was a heron in autumnal trees, and a very pretty pale pigeon, and then we saw a striking smew repeatedly diving, and catching a fish (series right from here)... 

It started to rain so we headed for Notes, but the sun still shone, and I was struck by the sight of Remembrance Day memorialisers toing and froing in the sunlit shower.

Others here (or right from Autumn heron)