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Scott Bowers   cc-by-nc

Aythya marila (Greater Scaup) is a species of birds in the family Anatidae. It is associated with freshwater habitat. It is found in the Indo-Malayan Realm, Oceania (Australia and islands), the Nearctic, and the Palearctic. Greater Scaup is a diurnal invertivore. Individuals are known to live for 22.1 years and can grow to 1316 g. Reproduction is dioecious. Greater Scaup has parental care (only female provides care).

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EOL has data for 40 attributes, including:

Known occurrences, collected specimens and observations of Greater scaup