Family Ibises, Spoonbills (Threskiornithidae)

Least Concern

Puna Ibis (Plegadis ridgwayi)


French: Ibis de Ridgway German: Punaibis Spanish: Morito de la puna

Falcinellus Ridgwayi

J. A. Allen

, 1876,

Lake Titicaca, Peru


Closely related to P. falcinellus and P. chihi. Monotypic.


Highlands of C Peru S to Bolivia, extreme N Chile and NW Argentina; non-breeding visitor to and local breeder#R on Peruvian coast.

Descriptive notes

56–61 cm; male 608–734 g, female 478–554 g. At some stages has fleshy bill, and legs can be dull red. In breeding plumage, differs from other Plegadis... read more


Flight call a rapid series of short nasal quacks “kvek..kvek...kvek..”. On the ground, gives a more... read more


A high-altitude species, occurring on puna at 3500–4800 m. Locally it extends... read more

Food and feeding

Diet unrecorded, but probably based on arthropods and other invertebrates. Usually feeds in flocks, often in fair numbers; mostly feeds by... read more


Season variable: laying peaks in Apr–Jul, but also recorded in Dec–Mar in Peru, and Nov in Bolivia. Colonial. Nest a platform... read more


Some visit NC Peruvian coast during May–Sept. Vagrants observed in N Peru, with a recent... read more

Status and conservation

Not globally threatened (Least Concern). The global population is estimated at 10,000–15,000 birds, but is thought likely to be declining due to habitat destruction. It... read more

Recommended citation

Matheu, E., del Hoyo, J., Garcia, E.F.J., Kirwan, G.M. & Boesman, P. (2018). Puna Ibis (Plegadis ridgwayi). 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 on 11 December 2018).