Aves | Procellariiformes
Environment / Climate / Range
Antarctic, Atlantic and Indo-Pacific. Tropical to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 19.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 38.00 g (Ref. 356)
Culmen: 1.24 cm; tarsus: 3.54 cm; wing: 14.27 cm.
Total Length: 15 to 19 cm; Wingspan: 38 to 42 cm (Ref. 8812). Population is affected by some predation, krill exploitation, and breeding success due to snow blocking burrows (Ref. 84934). Inhabits open ocean (Ref. 81748); found over seas and along shores (Ref. 83946). Exhibits dipping and pattering (Ref. 81748). Skips and hops over water surface while feeding. A colonial breeder. Typically gregarious at sea. Often trail ships (Ref. 91362). Breeds in the Gulf of California, begins in June. Nesting is restricted to rock outcrops and talus slopes, and nests were invariably in rock crevices, occasionally together with black storm petrels (Ref. 96995).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Breeds in the Gulf of California, begins in June. Nesting is restricted to rock outcrops and talus slopes, and nests were invariably in rock crevices, occasionally together with black storm petrels.
Lepage, D. 2007. (Ref. 7816)
IUCN Red List Status (Ref. 115185)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
Low vulnerability (10 of 100)