Bird Guide

Knob-billed Duck

Sarkidiornis melanotos

Least ConcernOmnivoreWetlandCavity nestHuge · 2.6 kg

About the Knob-billed Duck

The knob-billed duck or African comb duck is a type of duck found along the tropical/sub-tropical wetlands and waterways of Sub-Saharan Africa and the island of Madagascar, as well as most of South Asia and mainland Indochina.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

ID tip

This common species is unmistakable. It is one of the largest species of duck. Length can range from 56 to 76 cm (22 to 30 in), wingspan ranges from 116 to 145 cm (46 to 57 in) and weight from 1.03 to 2.9 kg (2.3 to 6.4 lb). Adults have a white head freckled with dark spots, and a pure white neck and underparts. The upperparts are glossy blue-black upperparts, with bluish and greenish iridescence especially prominent on the secondaries (lower arm feathers). The male is much larger than the female, and has a large black knob on the bill.

Text from Wikipedia, licensed CC BY-SA 4.0.

Where the Knob-billed Duck lives

Regular rangeRare visitor

Recorded as a rare visitor in Germany, Colombia, Belgium, Laos, Mayotte, Réunion.

When to see the Knob-billed Duck

Peak activity in December · a resident species across most of its range

Easily confused with

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