Lesser Scaup (Aythya affinis) Hawaii

Lesser Scaup (Aythya affinis)

Ordered chronologically (not necessarily by HRBP number)

HRBP 0400. Lesser Scaups (Aythya affinis), center, with Canvasback (left) and Ring-necked Ducks (right). 1-2 Greater Scaups may also be present. Waiakea Pond, Hawai'i I, 1 Dec 1977. © Robert J. Shallenberger

HRBP 5649. Lesser Scaup (Aythya affinis). BPBM 157346, collected 2 Feb 1980, Midway Atoll. Photo © Peter Pyle

HRBP 5650. Male Lesser (Aythya affinis), upper, and female Greater (A. marila), lower, scaups. BPBM 157346 and 178506, collected 2 Feb 1980 and 10 Feb 1992, respectively, on Midway Atoll. Photo © Peter Pyle

HRBP 0521. Lesser Scaups (Aythya affinis), left and right, with Tufted Duck (center) and Black-necked Stilt. Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson

HRBP 0522. Lesser Scaups (Aythya affinis), left and right, with Tufted Duck (center) and Hawaiian Coot. Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson

HRBP 0523. Lesser Scaups (Aythya affinis), right two birds, with Tufted Duck. Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson

HRBP 0524. Lesser Scaups (Aythya affinis), with Tufted Ducks (second and fourth birds). Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson

HRBP 0525. Lesser Scaups (Aythya affinis), with Tufted Duck (second from left). Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson

HRBP 0818. Lesser Scaup (Aythya affinis), left, with Common Goldeneye. Laysan Island, 10 Nov 1988. © Paul Hendricks

HRBP 0819. Lesser Scaup (Aythya affinis), left, with Laysan Duck. Laysan Island, 10 Nov 1988. © Paul Hendricks

HRBP 0820. Lesser Scaup (Aythya affinis). Laysan Island, 10 Nov 1988. © Paul Hendricks

HRBP 0822. Lesser Scaup (Aythya affinis), center, with Hawaiian Coot (left) and Laysan Ducks (right). Laysan Island, 10 Nov 1988. © Paul Hendricks

HRBP 6023. Lesser Scaups (Aythya affinis), with Hooded Merganser (center). Waiakea Pond, Hilo, Hawai'i I, 2 Jan 2010. © Michael Walther

HRBP 6019. Lesser Scaup (Aythya affinis), rear, with Eurasian Wigeon (front) and American Wigeon (center). Sand I, Midway, 1 Mar 2015. © Wieteke Holthuijzen

Photographs and images contributed to Hawaii Rare Bird Photograph (HRBP) file, B. P. Bishop Museum, Honolulu and part of The Birds of the Hawaiian Islands: Occurrence, History, Distribution, and Status by Robert L. Pyle and Peter Pyle. See Introduction for more information.

Lesser Scaup (Aythya affinis) Species Account Ordered chronologically (not necessarily by HRBP number)

HRBP 0400. Lesser Scaups (Aythya affinis), center, with Canvasback (left) and Ring-necked Ducks (right). 1-2 Greater Scaups may also be present. Waiakea Pond, Hawai'i I, 1 Dec 1977. © Robert J. Shallenberger	*HRBP 5649. Lesser Scaup (Aythya affinis). BPBM 157346, collected 2 Feb 1980, Midway Atoll. Photo © Peter Pyle*	HRBP 5650. Male Lesser (Aythya affinis), upper, and female Greater (A. marila), lower, scaups. BPBM 157346 and 178506, collected 2 Feb 1980 and 10 Feb 1992, respectively, on Midway Atoll. Photo © Peter Pyle	*HRBP 0521. Lesser Scaups (Aythya affinis), left and right, with Tufted Duck (center) and Black-necked Stilt. Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson*


*HRBP 0522. Lesser Scaups (Aythya affinis), left and right, with Tufted Duck (center) and Hawaiian Coot. Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson*	*HRBP 0523. Lesser Scaups (Aythya affinis), right two birds, with Tufted Duck. Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson*	*HRBP 0524. Lesser Scaups (Aythya affinis), with Tufted Ducks (second and fourth birds). Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson*	*HRBP 0525. Lesser Scaups (Aythya affinis), with Tufted Duck (second from left). Waipi'o Peninusla, O'ahu, 6 Dec 1982. © Peter Donaldson*


*HRBP 0818. Lesser Scaup (Aythya affinis), left, with Common Goldeneye. Laysan Island, 10 Nov 1988. © Paul Hendricks*	*HRBP 0819. Lesser Scaup (Aythya affinis), left, with Laysan Duck. Laysan Island, 10 Nov 1988. © Paul Hendricks*	*HRBP 0820. Lesser Scaup (Aythya affinis). Laysan Island, 10 Nov 1988. © Paul Hendricks*	*HRBP 0821. Lesser Scaup (Aythya affinis). Laysan Island, 10 Nov 1988. © Paul Hendricks*


*HRBP 0822. Lesser Scaup (Aythya affinis), center, with Hawaiian Coot (left) and Laysan Ducks (right). Laysan Island, 10 Nov 1988. © Paul Hendricks*	*HRBP 5884. Lesser Scaup (Aythya affinis), right, with Ring-necked Duck. Kawaiele, Kaua'i, 17 Jan 2008. © Jim Denny*	*HRBP 6023. Lesser Scaups (Aythya affinis), with Hooded Merganser (center). Waiakea Pond, Hilo, Hawai'i I, 2 Jan 2010. © Michael Walther*	*HRBP 6015. Lesser Scaups (Aythya marila) pair, left, with Greater Scaup pair. Kuilima Water Treatement Plant, O'ahu, . Photo © Eric VanderWerf*


*HRBP 6018. Lesser Scaups (Aythya affinis). Sand I, Midway, 2 Nov 2014. © USFWS*	*HRBP 6019. Lesser Scaup (Aythya affinis), rear, with Eurasian Wigeon (front) and American Wigeon (center). Sand I, Midway, 1 Mar 2015. © Wieteke Holthuijzen*	*HRBP 6337. Lesser Scaup (Aythya affinis), Midway Atoll, 3 Dec 2016. © Kristina McOmber*

Photographs and images contributed to Hawaii Rare Bird Photograph (HRBP) file, B. P. Bishop Museum, Honolulu and part of The Birds of the Hawaiian Islands: Occurrence, History, Distribution, and Status by Robert L. Pyle and Peter Pyle. See Introduction for more information.