White Ibis x Scarlet Ibis hybrid, Aruba Salina (Aruba, off Venezuela), 12th April 2017 - copyright Steve Mlodinow (photo ID: 3202) S...

Bufflehead x Hooded Merganser hybrid (right, with Bufflehead), Firestone Gravel Pits, Weld County (Colorado, USA), 2nd May 2017 - copyrig...

White-cheeked Pintail x Cape Teal hybrid (with White-cheeked Pintail) , JCB Lakes, Rocester (Staffordshire, UK), 11th April 2017 - copyri...

Black-headed Gull x Mediterranean Gull hybrid, Christopher Cadbury Reserve, Upton Warren (Worcestershire, UK), 12th March 2017 - copyrigh...

Tufted Duck x Lesser Scaup hybrid, Ambleside Duckpond, West Vancouver (British Columbia, Canada), 19th March 2007 - copyright Paul Kusmin...

apparent Great Blue Heron x Great Egret hybrid, Fort de Soto Park, Pinellas County (Florida, USA), 17th August 2016 - copyright Dave Norg...

Dunlin x White-rumped Sandpiper hybrid, Rock Point Provincial Park (Ontario, Canada), 19th May 2016 - copyright Chris Cheatle (photo ID...

Black-bellied Whistling-Duck x Fulvous Whistling-Duck hybrid, Moon Lake, Progreso Lakes, Hidalgo County (Texas, USA), 28th December 2016 ...

probable Greater White-fronted Goose x Lesser White-fronted Goose hybrid, Oudeland van Strijen (Zuid-Holland, Netherlands), 22nd February...

Tunrda Bean Goose x Barnacle Goose hybrid (with Tundra Bean Geese), Oost (Texel, Netherlands), 30th December 2016 - copyright Diederik Ko...