- The ring-necked duck (
Aythya collaris) is a
diving duck from
North America commonly found in
freshwater ponds and lakes. The
scientific name is derived...
-
Canvasback (
Aythya valisineria)
Common pochard (
Aythya ferina)
Redhead (
Aythya americana) Ring-necked duck (
Aythya collaris)
Female Hardhead (
Aythya australis)...
-
Aythya Canvasback (
Aythya valisineria)
Common pochard (
Aythya ferina)
Redhead (
Aythya americana) Ring-necked duck (
Aythya collaris)
Hardhead (
Aythya australis)...
- The
lesser scaup (
Aythya affinis) is a
small North American diving duck that
migrates south as far as
Central America in winter. It is
colloquially known...
-
Taffeland Aythya ferina RV Ring-necked Duck
Ringand Aythya collaris RV
Tufted Duck
Toppand Aythya fuligula A May-Sep
Greater Scaup Bergand Aythya marila...
- (porrón europeo),
Aythya ferina vulnerable Ring-necked duck (porrón acollarado),
Aythya collaris (A)
Ferruginous duck (porrón pardo),
Aythya nyroca (A – Canary...
- iucn}}: old-form url, |date= / |doi=
mismatch (help) IUCN (2020-11-13). "
Aythya collaris:
BirdLife International: The IUCN Red List of
Threatened Species 2021:...
-
Aythya valisineria (A) Redhead,
Aythya americana (A)
Common pochard,
Aythya ferina Ring-necked duck,
Aythya collaris (A)
Ferruginous duck,
Aythya nyroca...
- (Anas platyrhynchos),
lesser scaups (
Aythya affinis),
common pochard (
Aythya ferina), ring-necked
ducks (
Aythya collaris),
Muscovey duck (Cairina moschata)...
-
Marbled teal,
Marmaronetta angustirostris Canvasback,
Aythya valisineria Ring-necked duck,
Aythya collaris King eider,
Somateria spectabilis Harlequin duck...