Reported bird species, winter population size estimates, number of carcasses, and rRT-PCR test results per incident during outbreak of HPAI A(H5N8) virus, the Netherlands, November 2016-January 2017 * Maximum estimated Avian family and species (common name) winter population, x1,000 ([dagger]) Anatidae (waterbirds) Anas penelope
(Eurasian wigeon) 680-920 Aythya fuliqula (tufted duck) 190-230 Unidentified waterfowl Podicipedidae (grebes) Ardeidae (herons) ([section]) Phalacrocoracidae (comorants) Rallidae (rallids) Scolopacidae (shorebirds) ([paragraph]) Laridae (gulls) Larus marinus (great black-backed gull) 7.4-13 Accipitridae (hawks) Falconidae (falcons) Falco pereqrinus (peregrine falcon) 0.36-0.52 Corvidae (corvids) Aves indet.
 Jacobsen, O.W., 1996.Habitat Selection by Breeding Eurasian Wigeon (Anas Penelope
L.) in Western Norway.
Age-ratio bias among hunter-based surveys of Eurasian wigeon Anas penelope
based on wing vs field samples.--Ibis 157: 391-395.
Key words: American Wigeon, Anas americana, Anas penelope
, Eurasian Wigeon, Sacramento Valley
Rostratula benghalensis (Greater Painted Snipes), Anas clypeata (Northern Shoveler), Anas penelope
(Eurasian Wigeon), Aythya fuligula (Tufted Duck), Gallinura chloropus (Common Moorhen), Larus brunnicephalus (Brown Headed Gull), Anas querquedula (Gargeney), Tringa stagnatilis (Marsh Sandpiper), Fulica atra (Common Coot), Tringa totanus (Common Redshank), Dendrocygna bicolor (Fulvous Whistling Duck), Anas acuta (Northern Pintail), Todorna ferruginea (Ruddy Shelduck), Nycticorax nycticorax (Black-Crowned Night Heron), Vanellus cinereus (Grey-headed Lapwing), Netta rufina (Red-Crested Pochard), and Anas strepera (Gadwall).
Scolopax rusticola reported as local resident is Passage migrant: Anas clypeata, Anas penelope
, Aythya ferina, Aythya fuligula, Hippolais pallida, Larus ridibundus and Tadorna ferruginea that were reported to be winter migrants were found to be summer migrants whereas Columba oenas and Montifringilla nivalis reported to be summer migrant, were determined to be local residents.
HPAI (H5N8) virus isolated from a wigeon (Anas penelope
) in Sakha, northeastern Russia, is a precursor phylogenetically located at the node of European and Chiba viruses (Figure); this virus was isolated in September 2014, but the sequence was released in December 2014 (15).