The British list currently stands at 578 species.
Of North American origin the Hooded Merganser is a '' sawbill '' and only slightly bigger than the smallest merganser, the Smew, a winter visitor to the UK when the continent is gripped by hard weather conditions.
Only seen in the wild once every few years it is a very, very rare visitor to these shores. I caught up with this domesticated chap at the Pensthorpe ornamental water bird collection near Fakenham in Norfolk, it is of course a captive bird.
Notice the way that its tail is resting on the surface of the water creating a meniscus.
But what a storming looking Duck this is as a recognised visitor to the UK - very, very occasionally.