[quadrakid]

These two were feeding at the tideline,sizewise they are a big duck.Thanksuntitled (19 of 23) by Garry Graham, on Flickr

[stcalico]

My guess is female Northern Pintail. I'm not so good at IDs yet, so you probably want to wait for confirmation or correction.

[Owlet]

Yeah, looks like two female Northern Pintails to me!