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Biziura lobata
The male Musk Duck is the largest of Australia's ducks and has a powerful build. Adult males are 60 to 70 cm long and have a distinctive large, leathery lobe underneath the bill. Their drab dark grey-brown, sightly pin-striped plumage is unconspicuous and does not differ between the sexes. Musk Ducks float very low in the water, almost like a cormorant, and the large webbed feet are well back on the body.
This species prefers deep, still lakes and wetlands with areas of both open water and reed beds.
Musk Ducks get their name from the strong musk odour produced from a gland on the rump. The male is decorated with a large bulbous lobe of skin hanging under his bill. This sac increases in size at the start of the breeding season. The female also has a much-reduced lobe on the underside of its bill, only visible at a short distance.
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