A subfamily of diving ducks that includes pochards, scaups, and similar freshwater and sea ducks.
From genus Fuligula plus Latin subfamily suffix '-inae,' used in ornithological taxonomy to classify related diving duck species.
Fuligulinae are among the deepest-diving ducks, and their classification together reveals how evolution has shaped different duck lineages—dabbling ducks tip forward, but divers like these launch themselves completely underwater.
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