Aves |
Anseriformes |
Anatidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; brackvatten. Subtropical; 72°N - 47°S, 25°W - 179°E (Ref. 124582)
Indo-West Pacific, Eastern Atlantic and the Mediterranean Sea.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm
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).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Hüppop, O., J. Dierschke, K.-M. Exo, E. Fredrich and R. Hill 2006 Bird Migration and Offshore Wind Turbines. In Ch. 9: 91-117. Köller, J., J. Köppel and W. Peters (eds.). Offshore Wind Energy, Research on Environmental Impacts. Springer: Germany. 371 pp. (Ref. 96348)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Verktyg
Ytterligare information
Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycleReproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
