Aythya collaris. Common Names Ring-billed Duck, Ringill, Blackjack, Ring-neck, American Tufted Duck, Marsh Bluebill and other local names. Characteristics Average wt. 1.5-1.8 lb.

A spokesperson for the GMA said approximately 650 blue-billed ducks, 195 freckled ducks and 250 blue-winged shovelers were detected during the survey, which prompted the closure of Lake Buloke for ...

Rare ducks were filmed on Lake Buloke ahead of Victoria's duck season. Source: Coalition Against Duck Shooting.

New duck-billed dinosaur gives scientists clues to evolution of head ornamentation and provinciality Date: August 1, 2011 Source: Field Museum Summary: A new genus and species of hadrosaur (duck ...

Blue billed duck at Rockingham. Allen Newton Blue-bills have sacrificed walking in favour of greater swimming powers, and their legs are positioned so far back on their bodies that they cannot ...