![Greater Scaup x Tufted Duck hybrid](https://a4.pbase.com/g3/92/811692/3/88722139.2wgMtraj.jpg) Greater Scaup x Tufted Duck hybrid
by RAINBIRDER
| ![Tufted Duck & Scaup](https://a4.pbase.com/g9/38/635138/3/151326556.lCMWUrLs.jpg) Tufted Duck & Scaup
by Cliff
| ![Greater Scaup](https://a4.pbase.com/g1/11/675111/3/106252632.LIwAlStf.jpg) Greater Scaup
by Ian Fulton
| ![Scaup](https://a4.pbase.com/g4/34/494634/3/61321120.ScaupMale.jpg) Scaup
by Laura Milholland
| ![Ring-necked Duck](https://a4.pbase.com/g12/01/618801/3/168891554.7R5bt2cV.jpg) Ring-necked Duck
by Dennis Ancinec
|
![Tufted Duck](https://a4.pbase.com/g3/53/171253/3/57808004.IMG_5385.jpg) Tufted Duck
by Garrett Lau
| ![Genus Aythya](https://a4.pbase.com/g9/07/924107/3/159783187.5lfRtQoU.jpg) Genus Aythya
by Gillian
| ![January 1, 2013](https://a4.pbase.com/g2/83/612483/3/148168896.YILrRJZt.jpg) January 1, 2013
by Nick Komar
| ![Winter Birding in California 12-17-2012](https://a4.pbase.com/g2/82/193082/3/147718438.8Mga4Sr5.jpg) Winter Birding in California 12-17-2012
by Greg Lavaty
| ![Lost Trail National Wildlife Refuge](https://a4.pbase.com/g5/65/833865/3/103861271.x7OMskmI.jpg) Lost Trail National Wildlife Refuge
by paplvr
|