In the wide, reed-fringed wetlands of Africa and southern Asia, this dark-plumed heavyweight drifts across still water with calm authority. It grazes on aquatic plants, seeds, and small invertebrates, moving steadily along flooded plains and marsh edges. What makes it extraordinary is its quiet engineering of wetland life — stirring sediments, trimming vegetation, and dispersing plant seeds as it travels, helping shallow waters stay open and productive. A bold silhouette crowned with its unmistakable knob, yet a dependable caretaker of living wetlands.
Knob-billed Duck 👇
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