Family Petrels, Shearwaters (Procellariidae)

Least Concern

Galapagos Shearwater (Puffinus subalaris)


Taxonomy

French: Puffin des Galapagos German: Galapagossturmtaucher Spanish: Pardela de Galápagos
Taxonomy:

Puffinus subalaris

Ridgway

, 1897,

Dalrymple Rock, Chatham Island [San Cristóbal], Galapagos

.

Previously treated as conspecific with P. lherminieri, but recent study indicates that it is a distinct species more closely related to P. nativitatis#R. Monotypic.

Distribution:

E Pacific, breeding in Galapagos Is.

Descriptive notes

28–31 cm; 123–230 g; wingspan 63–70 cm. Small, dark-and-white shearwater with comparatively short broad wings and long rounded tail. Compared to P. lherminieri,... read more

Voice

Produces trisyllabic hoarse clucking “cah-ah-hooh”, which is repeated rhythmically several times,... read more

Habitat

Marine; normally in offshore waters, but also pelagic and near land in vicinity of colonies. Breeds... read more

Food and feeding

Mainly fish, squid and crustaceans. Prey caught by pursuit-diving and pursuit-plunging, pattering and surface-seizing. Dives can last... read more

Breeding

Season year-round, breeding every nine months, if successful, and may lay again within c. 5 months if unsuccessful, although intervals may... read more

Movements

Seems to perform regular dispersal northward, being year-round visitor to Gulf of Panama, with... read more

Status and conservation

Not globally threatened (Least Concern). Numbers c. 10,000 pairs scattered across 29 colonies in the Galapagos. Very few data concerning potential threats.

Recommended citation

del Hoyo, J., Collar, N. & Kirwan, G.M. (2018). Galapagos Shearwater (Puffinus subalaris). 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/467277 on 16 October 2018).