French: Harle huppard German: Dunkelsäger Spanish: Serreta brasileña
Isolated populations in SE Brazil in Bahia, Tocantins, Goiás, Minas Gerais and Paraná (species is believed extinct in Mato Grosso do Sul, Rio de Janeiro, São Paulo and Santa Catarina), and NE Argentina (Misiones). May still survive in E Paraguay (Alto Paraná).
49–56 cm; 600–700 g. Head, neck and upperparts dark brown with greenish iridescence and long crest; upperwing blackish, secondaries and greater wing-coverts white... read more
Usually silent, vocalizations being mainly heard during breeding season or when threatened, but... read more
Rapid, torrential streams and fast-flowing rivers usually fringed by dense tropical forest,... read more
Food and feeding
Mostly fish (of 6–19 cm length, characids, cichlids, pimelodids and hemiodontids), complemented with molluscs and insects and their... read more
Few data available until recently. Season apparently starts Jun/Jul (dry season), with first ducklings hatching in early Jul and young... read more
Mostly sedentary, with only small-scale movements recorded, with genetic structure in... read more
Status and conservation
CRITICALLY ENDANGERED. Small, little-known population, estimated at just 50–249 mature individuals by BirdLife International, widely scattered over range (of 32,600 km2... read more
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