Hardhead - Wikipedia The hardhead (Aythya australis), also known as the white-eyed duck, is the only true diving duck found in Australia The common name "hardhead" has nothing to do with the density of the bird's skull, instead referring to the difficulty encountered by early taxidermists in processing the head [2]
California Fish Species - California Fish Website - UC Davis Hardhead are typically found in small to large streams in a low to mid-elevation environment Hardhead may also inhabit lakes or reservoirs All ages are omnivores though the juvenile and adult fish have a slightly different diet and tooth structure for feeding
Hardhead - eBird Chocolate brown diving duck with white rump and large white panels in the wings Male has white eyes Female is slightly paler with dusky eyes Similar to Musk and Blue-billed Ducks, but Hardhead sits higher in the water, has a white patch on the rump, and lacks a spiky tail
What does hardhead mean? - Definitions. net The Hardhead, Aythya australis, is the only true diving duck found in Australia Hardheads are common in the south-east of Australia, particularly in the Murray-Darling Basin, but also in the wetter country near the coasts
hardhead - Wiktionary, the free dictionary hardhead (plural hardheads) One who is practical or hardheaded A brown diving duck, Aythya australis, native to Australia Any of certain saltwater sciaenid fishes Mylopharodon conocephalus of fresh waters in California Any of several weeds in or formerly classified in the genus Centaurea, especially Russian knapweed (Acroptilon repens)
Mylopharodon conocephalus - Wikipedia Mylopharodon conocephalus, known as the hardhead, is a freshwater ray-finned fish from the family Leuciscidae, which includes the daces, Eurasian minnows and related fishes which is endemic to California It is the sole extant member of the genus Mylopharodon