Aves |
Anseriformes |
Anatidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; sötvatten; brackvatten. Temperate
Northwest Atlantic: USA.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Perry, M.C. and F.M. Uhler 1988 Food habits and distribution of wintering canvasbacks, Aythya valisineria, on Chesapeake bay. Estuaries 11(1):57-67. (Ref. 117096)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
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