Aves |
Sphenisciformes |
Spheniscidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
. Subtropical
Southwest Pacific: New Zealand.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 62.0 cm TL hane/ej könsbestämd; (Ref. 91362); publicerad maxvikt: 3.4 kg (Ref. 356)
Culmen: 4.765 cm; tarsus: 2.385 cm.
Total population is about 5,000 to 10,000 pairs, wherein 50 percent are breeding pairs. Mainland colonies are threatened by stoats, rats, and dogs (Ref. 84934). This species is known to be loosely colonial and breeds in temperate rainforests (Ref. 91362), where there is a dense vegetation and caves (Ref. 84934). It lays in winter and rears in spring (Ref. 84934). Pursuit diving (Ref. 356).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Harrison, P. 1987 Seabirds of the world: a photographic guide. Christopher Helm, Hong Kong, 317p. (Ref. 91362)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Population dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans Life cycleReproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Fishing Vulnerability
Moderate vulnerability (45 of 100).
Price category
Unknown.