Greater Scaup Aythya marila

In a European context this species is often known simply as Scaup.

Greater Scaups, Loch Ryan (Dumfries & Galloway, UK), 16th February 2024

Greater Scaup, Caerlaverock (Dumfries & Galloway, UK), 28th December 2015

3x Greater Scaups, Denver Sluice (Norfolk, UK), 2nd January 2005

Greater Scaups, Loch Ryan (Dumfries & Galloway, UK), 29th December 2011

Greater Scaups, Loch Ryan (Dumfries & Galloway, UK), 28th December 2005

Greater Scaup, Hodbarrow (Cumbria, UK), 28th December 2011

I think there was some conjecture that the long-staying female shown in the next three photos was an escapee from captivity, but as far as I know that was only based on the fact that it remained over the summer rather than on any firm evidence of a captive origin.

Greater Scaup, Snettisham (Norfolk, UK), 18th August 2003

Greater Scaup, Snettisham (Norfolk, UK), 19th September 2003

Greater Scaup, Snettisham (Norfolk, UK), 5th July 2004

Greater Scaup (with Tufted Ducks), Swanton Morley fishing lakes (Norfolk, UK), 21st December 2007

Greater Scaup, Swanton Morley fishing lakes (Norfolk, UK), 24th November 2007

Greater Scaup, Titchwell (Norfolk, UK), 8th February 2014

Greater Scaups, Wells (Norfolk, UK), 27th February 2010

Greater Scaup (with Tufted Duck and Black-headed Gull), Whitlingham Broad (Norfolk, UK), 16th November 2008

Greater Scaup, Whitlingham Broad (Norfolk, UK), 7th February 2010

Greater Scaups, Hunstanton (Norfolk, UK), 28th March 2011

Greater Scaups, Hunstanton (Norfolk, UK), 14th March 2011

Greater Scaup (with Mallard), Kings Lynn docks (Norfolk, UK), 25th January 2009

Greater Scaup (with Tufted Ducks), Bittering (Norfolk, UK), 20th August 2013

Greater Scaups (with Common Pochard), Martham Broad (Norfolk, UK), 30th January 2017

This species is sometimes kept in wildfowl collections.

captive Greater Scaups, Martin Mere (Lancashire, UK), 26th December 2014

captive Greater Scaup (with unknown hybrid in last photo), Blakeney Quayside collection (Norfolk, UK), 4th December 2010

captive Greater Scaup, Blakeney Quayside collection (Norfolk, UK), 13th February 2010

captive Greater Scaup, Blakeney Quayside collection (Norfolk, UK), 15th October 2011

captive Greater Scaup, Blakeney Quayside collection (Norfolk, UK), 17th September 2011

captive Greater Scaup, Blakeney Quayside collection (Norfolk, UK), 28th February 2009

captive Greater Scaups, Blakeney Quayside collection (Norfolk, UK), 20th February 2001