aythya การใช้

• It belongs to the genus Aythya, together with 11 other described species.
• In another instance, a goshawk drowned while attempting to capture a tufted duck ( Aythya fuligula ).
• Species formerly allowed to be hunted include the Australasian shoveler ( " Aythya ( Nyroca ) australis " ).
• It is possible that a carpometacarpus bone apparently of an " Aythya " diving duck is referrable to these " canards ".
• The word is still sometimes used to refer to a male shelduck and can also occasionally refer to the canvasback ( " Aythya valisineria " ) of North America.
• The females of Baer's pochard and the ferruginous duck are quite similar, but that holds true for the females of almost all " Aythya " species.
• Two waterbird species were endemic to northern Madagascar, the Madagascar pochard ( " Aythya innotata " ) and the Alaotra grebe ( " Tachybaptus rufolavatus " ).
• The "'ring-necked duck "'( " Aythya collaris " ) is a diving duck from North America commonly found in freshwater ponds and lakes.
• Hybrid ducks of the genus " Aythya ", include birds which are a mixture of tufted duck, greater scaup, pochard, ferruginous duck and ring-necked duck.
• The "'lesser scaup "'( " Aythya affinis " ) is a small North American diving duck that migrates south as far as Central America in winter.
• The name " Aythya " comes from the Ancient Greek word ??????, " aithuia ", which may have referred to a sea-dwelling duck or an auklet.
• Some 96 species of aquatic and bankside vascular plant species have been recorded from Southlake Moor, of particular interest is the teal ( " Anas crecca " ) and tufted duck ( " Aythya fuligula " ).
• Although generally hosting only small numbers of birds ( 244 species recorded ), the reservoir has attracted a considerable number of North American vagrant shorebirds and wildfowl, including a number of lesser scaup ( " Aythya affinis " ).
• On occasions the Common pochard ( " Aythya ferina " ) population, which is one of the largest in Ireland, has exceeded the threshold for international importance . ( i . e . 3, 500 individual fowl ).
• Much of the management work carried out in the nature reserve is aimed at encouraging ducks to breed, and small numbers of tufted duck ( " Aythya fuligula " ), common pochard ( " Aythya ferina " ), common shelduck ( " Tadorna tadorna " ) and gadwall raise broods most years.
• Much of the management work carried out in the nature reserve is aimed at encouraging ducks to breed, and small numbers of tufted duck ( " Aythya fuligula " ), common pochard ( " Aythya ferina " ), common shelduck ( " Tadorna tadorna " ) and gadwall raise broods most years.
• Several species of waterbirds, formerly frequently encountered during migration, are only rarely seen nowadays . These include, for example, the common loon ( " Gavia immer " ), American wigeon ( " Anas americana " ), redhead ( " Aythya americana " ), canvasback ( " Aythya valisneria " ), and several species of mergansers.
• Several species of waterbirds, formerly frequently encountered during migration, are only rarely seen nowadays . These include, for example, the common loon ( " Gavia immer " ), American wigeon ( " Anas americana " ), redhead ( " Aythya americana " ), canvasback ( " Aythya valisneria " ), and several species of mergansers.
• In these wetlands include several species of Anseriformes, such as the common scoter ( Melanitta nigra ), the Long-tailed Ducks ( Clangula hyemalis ), the common goldeneye ( Bucephala clangula ), the tufted duck ( Aythya fuligula ), the Greater Scaup ( Aythya marila ), mallards ( Anas platyrhynchos ), the Eurasian wigeon ( Anas penelope ), the red-breasted merganser ( Mergus serrator ) and the common goosander ( Mergus merganser ).
• In these wetlands include several species of Anseriformes, such as the common scoter ( Melanitta nigra ), the Long-tailed Ducks ( Clangula hyemalis ), the common goldeneye ( Bucephala clangula ), the tufted duck ( Aythya fuligula ), the Greater Scaup ( Aythya marila ), mallards ( Anas platyrhynchos ), the Eurasian wigeon ( Anas penelope ), the red-breasted merganser ( Mergus serrator ) and the common goosander ( Mergus merganser ).