Ecology of Anser anser
 
Main Ref. van der Have, T.M., G.O. Keijl, J. Mansoori and V.V. Morozov, 2002
Remarks Non-breeding individuals inhabit swamps, lakes, reservoirs, coastal lagoons and estuaries. Feeds grass, on the roots, shoots, leaves, stems, seed heads and fruits of other herbaceous marsh vegetation, aquatic plants, and agricultural grain and potatoes (Ref. 107894).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Anser anser may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type mainly plants/detritus (troph. 2-2.19)
Feeding type Ref. Birdlife International, 2016
Feeding habit
Feeding habit Ref.

Trophic Level(s)

Estimation method original sample unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 2.00 0.00 Trophic level and s.e. inferred from exclusive plant/detritus food items.
Ref.
Ref. [ e.g. 3742]
Glossary [ e.g. cnidaria]
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