Family Petrels, Shearwaters (Procellariidae)

Near Threatened

Black-vented Shearwater (Puffinus opisthomelas)


Taxonomy

French: Puffin cul-noir German: Schwarzsteiß-Sturmtaucher Spanish: Pardela culinegra
Taxonomy:

Puffinus opisthomelas

Coues

, 1864,

Cape San Lucas, Baja California, Mexico

.

Sometimes considered a race of P. puffinus. Monotypic.

Distribution:

Pacific coast from C California to S Mexico, breeding on islands off W coast of Baja California, and also reported from Isla Rasa in the Gulf of California#R.

Descriptive notes

30–38 cm; 332–545 g; wingspan 76–89 cm. Mid-sized to smallish bicoloured shearwater with no clear demarcation between head and abdomen or with dusky... read more

Voice

Vocalizes both in flight and on ground (including within burrows) giving either a moaning growl (... read more

Habitat

Marine; mainly in warm inshore waters. Breeds on offshore islets, sometimes in caves.

Food and feeding

Mostly small shoaling fish, especially northern anchovies (Engraulis mordax) and Pacific sardines (Sardinops sagax), but... read more

Breeding

Perhaps starts Jan on some islands, but on Natividad (where birds attend colony for up to ten months) egg-laying early Mar to mid Apr, with... read more

Movements

Post-breeding dispersal commences Jul–Aug and is mostly N along W coast of N America to C... read more

Status and conservation

Not globally threatened. Currently considered Near Threatened, due to reduced breeding range and apparently small numbers, although work in the 1990s has suggested that... read more

Recommended citation

Carboneras, C., Jutglar, F. & Kirwan, G.M. (2018). Black-vented Shearwater (Puffinus opisthomelas). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/52576 on 18 January 2018).