But why should the bigger female white-headed ducks prefer the smaller ruddy-duck drakes rather than males of their own species? A clue comes from a paper by K. G. McCracken in Auk (117, 820–825 ...

Conservationists believe the cull of the ruddy duck, which was introduced to Britain from its native North America in the 1940s, is the only way to save the Spanish white-headed duck.

The 2025 series also celebrate the thirtieth anniversary of the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA), featuring the white-headed duck, the African penguin ...

GOVERNMENT officials denied yesterday that plans for a massive duck shoot, aimed at conserving a threatened species in Spain, had been abandoned over fears of ``public outrage''. The proposed ...