Aves |
Sphenisciformes |
Spheniscidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
. Subtropical
Indo-West Pacific: Australia and New Zealand. Subtropical to temperate.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 40.0 cm TL جنس نر / بدون خواص جنسي; (مرجع 91362); بيشينه وزن گزارش شده: 2.1 kg (مرجع 356)
This is a gregarious species that nests in burrows, hollows under bushes or rocks, and is observed to return to land during dusk (Ref. 91362). It is observed to be nocturnal on land (Ref. 84934). Pursuit diving (Ref. 91362).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Life cycle: Eggs are incubated for 5 to 6 weeks and develop into fledgelings at 8 weeks of age. Clutches are laid twice a year.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Harrison, P. 1987 Seabirds of the world: a photographic guide. Christopher Helm, Hong Kong, 317p. (مرجع 91362)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
استفاده انسانی
| FishSource |
ابزارها
اطلاعات بيشتر
Population dynamicsرشدMax. ages / sizesLength-weight rel.Length-length rel.نوسانات طولیMass conversionفراواني Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
جهندگی
زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (K=8.21-31.58).
Fishing Vulnerability
Low to moderate vulnerability (30 of 100).
طبقه قيمت
Unknown.