Table 2: Numbers of migratory birds (per year) entering GB, the Netherlands and Italy calculated as the difference between totals of monthly counts (maximum - minimum) HRS Bird Species GB, Wetland Bird Survey data The (Hustings , peak national count in January between et of Austin (2008) 2008) 1990 and 2005. Atkinson (2006) et al. al. et al. Swan 3,775 13,000 0 Cygnus columbianus Bewick’s Whooper Swan 7,428 2,000 0 Cygnus cygnus Mute Swan 11,542 5,000 3,248 Cygnus olor Greater White-fronted Goose (European 1,341 600,000 11,049 race) Anser albifrons albifrons Greylag Goose 72,980 150,000 5,392 Anser anser Red-breasted Goose 4 7 4 Branta ruficollis Eurasian Wigeon 324,097 600,000 123,936 Anas penelope Common Teal 126,498 50,000 97,529 Anas crecca Mallard 97,872 180,000 208,000 Anas platyrhynchos Northern Pintail 25,344 20,000 12,781 Anas acuta Garganey 38 (May) + 47 (Aug)* 80 (Apr) + 110 223 Anas querquedula (Aug)* Northern Shoveler 11,200 10,000 22,811 Anas clypeata Common Pochard 24,160 45,000 42,189 Aythya ferina Tufted Duck 46,429 150,000 7,725 Aythya fuligula Black-headed Gull 150,555 150,000 217,468 Larus ridibundus *Spring and autumn migration Table 3: Qualitative estimation of number of HRS species migrating from different regions of the world to GB, the Netherlands and Italy (per year) (n). Negligibles are excluded. W/E E/E NAEA WA ESA
Table 2: Numbers of migratory birds (per year) entering GB, the Netherlands and Italy calculated as the difference between totals of monthly counts (maximum - minimum) HRS Bird Species GB, Wetland Bird Survey data of Austin et al. (2008) The (Hustings et al. 2008) , peak national count in January between 1990 and 2005. Atkinson et al. (2006) Bewick’s Swan Cygnus columbianus 3,775 13,000 0 Whooper Swan Cygnus cygnus 7,428 2,000 0 Mute Swan Cygnus olor 11,542 5,000 3,248 Greater White-fronted Goose (European race) Anser albifrons albifrons 1,341 600,000 11,049 Greylag Goose Anser anser 72,980 150,000 5,392 Red-breasted Goose Branta ruficollis 4 7 4 Eurasian Wigeon Anas penelope 324,097 600,000 123,936 Common Teal Anas crecca 126,498 50,000 97,529 Mallard Anas platyrhynchos 97,872 180,000 208,000 Northern Pintail Anas acuta 25,344 20,000 12,781 Garganey Anas querquedula 38 (May) + 47 (Aug)* 80 (Apr) + 110 (Aug)* 223 Northern Shoveler Anas clypeata 11,200 10,000 22,811 Common Pochard Aythya ferina 24,160 45,000 42,189 Tufted Duck Aythya fuligula 46,429 150,000 7,725 Black-headed Gull Larus ridibundus 150,555 150,000 217,468 *Spring and autumn migration Table 3: Qualitative estimation of number of HRS species migrating from different regions of the world to GB, the Netherlands and Italy (per year) (n). Negligibles are excluded. W/E E/E NAEA WA ESA
H5N1_HPAI_bird_release_Ref_comments_addressed.docx