Lesser Scaups with briefly, a Ring-necked Duck - Lancashire, March 2024. 

Male and female Lesser Scaups - Aythya affinis - Leighton Moss RSPB Reserve, Lancashire, March 18th. 2024. with , courtesy of Jack Taylor, in the final two clips, a distant female Ring-necked Duck - Aythya collaris.
A mixture of slow and realtime footage.