Blank, David


    • greater white-fronted goose
      Anser albifrons
    • greater white-fronted goose
      Anser albifrons
    • greater white-fronted goose
      Anser albifrons
    • greater white-fronted goose
      Anser albifrons
    • greylag goose
      Anser anser
    • greylag goose
      Anser anser
    • greylag goose
      Anser anser
    • bar-headed goose
      Anser indicus
    • bar-headed goose
      Anser indicus
    • bar-headed goose
      Anser indicus
    • bar-headed goose
      Anser indicus
    • bar-headed goose
      Anser indicus
    • bar-headed goose
      Anser indicus
    • bar-headed goose
      Anser indicus
    • bar-headed goose
      Anser indicus