Costa Rica Ducks Morals Science 
10,000 Birds
DECEMBER 7, 2019
They ranged across 10 countries (Costa Rica, USA, UK, India, Australia, China, Brazil, Mexico, Serbia and Uganda). Blue-billed Duck – Oxyura australis. Blue-billed Duck – Oxyura australis. Musk Duck – Biziura lobata. Falcated Duck – Mareca falcata. Tufted Duck – Aythya fuligula.
10,000 Birds
SEPTEMBER 2, 2017
9 beats, birded 9 countries this month; Belize , Guatamala , Costa Rica, UK, Iran, USA, Greece, Australia and Mexico. Plumed Whistling-Duck – Dendrocygna eytoni. White-faced Whistling-Duck – Dendrocygna viduata. Black-bellied Whistling-Duck – Dendrocygna autumnalis. Wood Duck – Aix sponsa.
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