French: Grand Grèbe German: Magellantaucher Spanish: Somormujo macachón
Cayenne; error = unknown locality
Subspecies and Distribution
P. m. major
(Boddaert, 1783) – NW Peru; Paraguay and extreme SE Brazil S to Patagonia and C Chile.
P. m. navasi
Manghi, 1984 – S Chile (S of R Bío Bío).
c. 67–77 cm; one male 1131 g, one female 1646 g. The largest grebe, in some plumages recalling wholly allopatric P. grisegena, but readily separated by overall... read more
Commonest call a loud moaning “huaa”, more than 1 second long, given during advertising and... read more
Found mainly on open water. Inlets fringed with vegetation on large lakes; low-altitude lakes and... read more
Food and feeding
Apparently mainly fish. On R Paraná, in NE Argentina, prey comprised fish (71%), insects (14%), crustaceans (10%) and molluscs (5... read more
Season fairly irregular, some populations apparently breeding at any time of year; season Jul–Jan in SE Brazil, but most laying... read more
Generally moves to coastal waters after breeding season; at onset of breeding, moves from salt back... read more
Status and conservation
Not globally threatened (Least Concern). Widespread and common throughout most of range. Estimated global population c. 50,000 individuals; true numbers possibly much greater... read more
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