CHECK LIST OF NEW YORK BIRDS 239 



85 (167) Ruddy duck 



Erismatura jamaicensis (Gmel.) 



86 (169a) Greater snow goose 



Chen hyperborea nivalis (Forst.) 



87 (169.1) Blue goose 



Chen caerulescens (Linn.) 



88 (171a) American white-fronted goose 



Anser albifrons gambeli (Hartl.) 



