From Wikipedia, the free encyclopedia
Name No. Individuals Ref.
Mallard 20,000,000~ [1]
Greylag goose 960,000~ [2]
Whooper swan 180,000~ [3]

References

  1. ^ Söderquist, P.; Gunnarsson, G.; Elmberg, J. (6 February 2021). "Survival of wild and farmed-released mallards: the Swedish example". European Journal of Wildlife Research. 67.{{ cite journal}}: CS1 maint: date and year ( link)
  2. ^ "Greylag Goose". egmp.aewa.info. European Goose Management Platform. Retrieved 28 April 2024.
  3. ^ "Whooper Swan Cygnus cygnus". birdlife.org. Archived from the original on 4 March 2016. Retrieved 28 April 2024.