Specieswatch: 10 to 15 ruddy ducks left in UK after Europe-wide

Introduced from North America in the 1940s, they became a threat to the endangered white-headed duck

Ruddy Duck - British Waterfowl Association

Alien Species in Britain: Ruddy Shelduck (Tadorna ferruginea) – UK Wildlife

Meet the fishing jaguars that have made this patch of the Pantanal their own

White-headed ducks and ruddy ducks appear to have very close features which begs the question, when did the two species diverge and what may have been their common ancestor? It's reported that

Top Stories, From the Guardian, The Guardian, Todayspaper

Ruddy Duck Project » NNSS

Desert Ducks Focusing on Wildlife

Shooters set their sights on UK's last remaining ruddy ducks, Birds

Ruddy Turnstone Focusing on Wildlife

White-headed Duck, Birds Wiki

Specieswatch, Page 2 of 6, Environment

Details : Ruddy Duck - BirdGuides

Alan Tilmouth: finish the ruddy job! - BirdGuides

Ruddy Darter (Sympetrum sanguineum)