Steve Arena:
Greater Scaup (Aythya marila)
Steve Arena:
Greater Scaup (Aythya marila) (presumed)
Steve Arena:
Greater Scaup (Aythya marila) (presumed)
Steve Arena:
Lesser Scaup (Aythya affinis)
Steve Arena:
Female Greater Scaup (Aythya marila)
Steve Arena:
Greater Scaup (Aythya marila)
Steve Arena:
Drake Greater Scaup (Aythya marila) - record shot
Steve Arena:
Male Greater Scaup (Aythya marila) diving
Steve Arena:
Male Greater Scaup (Aythya marila) eating sea lettuce
Steve Arena:
Female Greater Scaup (Aythya marila)
Steve Arena:
Greater Scaup (Aythya marila)
Steve Arena:
Greater Scaup (Aythya marila) - female; record shot
Steve Arena:
Greater Scaup (Aythya marila) hens
Steve Arena:
Greater Scaup (Aythya marila) drake
Steve Arena:
Greater Scaup (Aythya marila) hen
Steve Arena:
Tufted Duck (A. fuligula) with Greater (A. marila) and Lesser (A. affinis) Scaup
Steve Arena:
Greater Scaup (Aythya marila) - male - great bird for June at PRNWR
Steve Arena:
Greater Scaup (Aythya Marila) - adult and sub adult drake
Steve Arena:
Male Scaup Identification
Steve Arena:
Redhead (Aythya americana) nad Greater Scaup (A. marila) in flight
Steve Arena:
Redhead (Aythya americana) with GRSC
Steve Arena:
Greater Scaup (Aythya marila) female/eclipse plumage - record shot
Steve Arena:
Greater Scaup (Aythya marila) female/eclipse plumage - record shot
Steve Arena:
Greater Scaup (Aythya marila) female/eclipse plumage - record shot
Steve Arena:
Female Greater Scaup (Aythya marila)
Steve Arena:
Greater Scaup (Aythya marila)
Steve Arena:
Greater Scaup (Aythya marila)
Steve Arena:
Tufted Duck (A. fuligula) & Greater Scaup (A. marila)
Steve Arena:
Greater Scaup / Duggönd (A. marila)
Steve Arena:
Greater Scaup / Duggönd (A. marila)