Table 1 Summary of wild bird surveillance sampling for Eurasian lineage and intercontinental reassortant highly pathogenic influenza A viruses on the Yukon-Kuskokwim Delta, Alaska during spring and summer 2015
Spring surveillance (7–29 May 2015) | |||
|---|---|---|---|
Species | n = | rRT-PCR +a | VI +b |
American green-winged teal (Anas crecca) | 4 | 0 | - |
American wigeon (Anas americana) | 1 | 0 | - |
Arctic tern (Sterna paradisaea) | 1 | 1 | 0 |
Bar-tailed godwit (Limosa lapponica) | 14 | 1 | 0 |
Black brant (Branta bernicla nigricans) | 41 | 3 | 0 |
Black scoter (Melanitta americana) | 83 | 4 | 0 |
Black turnstone (Arenaria melanocephala) | 3 | 0 | - |
Cackling goose (Branta hutchinsii) | 200 | 7 | 2 |
Common goldeneye (Bucephala clangula) | 2 | 0 | - |
Common merganser (Mergus merganser) | 1 | 0 | - |
Dunlin (Calidris alpina) | 9 | 1 | 0 |
Emperor goose (Chen canagica) | 19 | 4 | 0 |
Gadwall (Anas strepera) | 1 | 0 | - |
Greater scaup (Aythya marila) | 11 | 2 | 0 |
Greater white-fronted goose (Anser albifrons) | 298 | 39 | 3 |
Lapland longspur (Calcarius lapponicus) | 1 | 0 | - |
Lesser scaup (Aythya affinis) | 62 | 7 | 0 |
Long-billed dowitcher (Limnodromus scolopaceus) | 3 | 1 | 0 |
Long-tailed duck (Clangula hyemalis) | 6 | 1 | 0 |
Mallard (Anas platyrhynchos) | 12 | 0 | - |
Mew gull (Larus canus) | 2 | 0 | - |
Northern pintail (Anas acuta) | 15 | 1 | 0 |
Northern shoveler (Anas clypeata) | 19 | 1 | 0 |
Pacific loon (Gavia pacifica) | 1 | 1 | 0 |
Pectoral sandpiper (Calidris melanotos) | 16 | 1 | 0 |
Red-necked phalarope (Phalaropus lobatus) | 23 | 3 | 0 |
Rock sandpiper (Calidris ptilocnemis) | 1 | 0 | - |
Sabine’s gull (Xema sabini) | 1 | 1 | 0 |
Sandhill crane (Grus canadensis) | 31 | 2 | 0 |
Sharp-tailed sandpiper (Calidris acuminata)c | 3 | 0 | - |
Snow Goose (Chen caerulescens) | 62 | 5 | 0 |
Surf Scoter (Melanitta perspicillata) | 5 | 1 | 0 |
Tundra swan (Cygnus columbianus) | 41 | 3 | 0 |
White-winged scoter (Melanitta deglandi) | 16 | 1 | 0 |
Willow ptarmigan (Lagopus lagopus) | 3 | 0 | - |
Wilson’s snipe (Gallinago delicata) | 1 | 0 | - |
Unknown species (Class Aves) | 2 | 1 | 0 |
spring total | 1014 | 92 | 5 |
Summer surveillance (16–19 July 2015) | |||
species | n = | rRT-PCR +a | VI +b |
Cackling goose | 115 | 2 | 0 |