ಅರ್ಥ : Tropical American heron related to night herons.
ಸಮಾನಾರ್ಥಕ : boat-billed heron, boatbill, cochlearius cochlearius
ಅರ್ಥ : Diving ducks of North America having a bluish-grey bill.
ಸಮಾನಾರ್ಥಕ : bluebill, scaup, scaup duck
ಅರ್ಥ : Freshwater duck of the northern hemisphere having a broad flat bill.
ಸಮಾನಾರ್ಥಕ : anas clypeata, shoveler, shoveller
ಅರ್ಥ : Small birds of the Old World tropics having bright plumage and short wide bills.