Aves | Ciconiiformes
Environment: milieu / climate zone / depth range / distribution range
Southwest Pacific: New Zealand.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 63.0 cm TL male/unsexed; (Ref. 91362); common length : 56.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 2.8 kg (Ref. 356)
Culmen: 5.535 cm; tarsus: 2.595 cm.
Total population of this species is estimated at 23,250 breeding pairs (Ref. 84934). This species is known to be gregarious and breeds in large colonies. They are found to breed among trees, or under dense bushes, and at times they roost on branches of low trees (Ref. 91362). Pursuit diving (Ref. 356).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Harrison, P. 1987. (Ref. 91362)
IUCN Red List Status (Ref. 115185)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models