Great Grebe (Podiceps major) [XC870872]
by Gabriel Morales from Estancilla, Valdivia, Chile (uncertain)
Great Grebe (Podiceps major) [XC686950]
by JAYRSON ARAUJO DE OLIVEIRA from Rio Grande, Rio Grande do Sul, Brazil, Brazil (alarm call)
Subspecies
Subspecies navasi not universally accepted; if valid, name leucopterus may be applicable. Birds from coastal Peru suspected to constitute additional, undescribed subspecies.
The following 2 subspecies are recognised:
major (Boddaert, 1783) - North-western Peru; Paraguay and extreme south-eastern Brazil south to Patagonia and central Chile.