Saranga, B.G.P.T.; Wijeweera, W.P.S.N.; Kannan, R.
(Indian Birds Monograph, 2022-04-06)
he Knob-billed Duck or African Comb Duck Sarkidiornis
melanotos was formally described to science from Ceylon
(now Sri Lanka) by Pennant (1769: 12). It disappeared and
was believed to be extinct from the island by the ...