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Muscovy duck

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The Muscovy duck, known scientifically as *Cairina moschata*, is a large species of waterfowl native to the Americas. Their natural range stretches from the Lower Rio Grande Valley in Texas and Mexico down to Argentina and Uruguay.

Muscovy Duck (Cairina moschata) male
Muscovy Duck (Cairina moschata) male

Beyond their native lands, feral populations have established themselves in places like New Zealand, Australia, the United States, and parts of Central and Eastern Europe. This species is highly adaptable and can thrive in tropical environments or cooler climates with temperatures as low as 0°C. Because they are so widely distributed, they are not considered a globally threatened species by the IUCN. In certain culinary contexts, they are often referred to by the name Barbary duck.

Physically, the Muscovy duck displays significant differences between the sexes. The males, or drakes, are much larger than the females, or hens. In fact, a male can weigh roughly twice as much as a female.

Muscovy Duck (Cairina moschata) male (48300537941)
Muscovy Duck (Cairina moschata) male (48300537941)

Their plumage is predominantly black, but males feature iridescent, glossy feathers on their backs and wings. They also display large white patches on their wings that are visible during flight. A striking feature of the male is the red knob of bare skin located at the base of the black bill. Females are generally more drab in color and lack this prominent facial knob. Juvenile ducks are even less colorful, often showing little to no white on their wings.

These ducks have a complex biological makeup and specific reproductive behaviors. The Muscovy duck has a karyotype of 2n=80, which refers to the number of chromosomes in their cells.

Cairina moschata MWNH 1056
Cairina moschata MWNH 1056

During reproduction, the species does not form stable pairs. Instead, they mate on land or in water and then separate. The female lays a clutch of 8 to 15 white eggs, typically inside a tree hole or hollow. These eggs require an incubation period of 30 to 31 days. Once the chicks hatch, they are highly dependent on their parents for warmth. Because their bodies cannot produce enough heat, they stay close to the mother, and often the father, for several weeks. The male frequently walks with the brood to provide protection while they forage.

Dietary habits and social interactions define much of their daily life in the wild. Muscovy ducks are non-migratory and inhabit forested swamps, lakes, streams, and nearby grasslands. They are omnivorous, meaning they eat both plants and animals. They graze on aquatic plant roots, stems, leaves, and seeds, as well as terrestrial agricultural crops. They also hunt for small animals like fish, amphibians, reptiles, crustaceans, insects, and worms.

Socially, these birds can be quite aggressive. Males frequently engage in fights over territory, food, or potential mates. Even adult ducks may peck at ducklings if they are competing for the same food source.

History and scientific classification provide interesting clues about how we perceive this bird. Carl Linnaeus first described the species in 1758 in his work *Systema Naturae*. He originally named them *Anas moschata*, which translates to "musk duck."

Muscovy Duck (Cairina moschata) male (48300537941)
Muscovy Duck (Cairina moschata) male (48300537941)

While the name "Muscovy" is often associated with Russia, the ducks are not native there. One theory suggests the name might come from the Muisca people of Colombia, who kept them as domestic animals. Another possibility is that the name refers to the strong musk odor the birds exude. The current genus name, *Cairina*, stems from an old, mistaken belief that these birds originated in Cairo, Egypt.

Taxonomy, or the science of classifying living things, has shifted for this species over time. The Muscovy duck was once placed in a group called the "perching duck" assemblage. However, it was later moved to the subfamily Anatinae, which includes dabbling ducks.

Muscovy Duck (Cairina moschata) male (48300537941)
Muscovy Duck (Cairina moschata) male (48300537941)

More recent analysis of their DNA, specifically the cytochrome b and NADH dehydrogenase subunit 2 genes, suggests they might actually belong in the subfamily Tadorninae. Currently, the Muscovy duck is considered monotypic, meaning it is the only species within its specific genus, *Cairina*.

Domesticated Muscovy ducks have a long history of interaction with humans. Native Americans have bred these birds since pre-Columbian times.

Anseriformes - Cairina moschata - 4
Anseriformes - Cairina moschata - 4

Compared to their wild ancestors, domestic versions are heavier and have a harder time flying long distances. Their plumage is also much more variable, often featuring much more white than wild birds. In urban areas, feral Muscovy ducks can be found nesting in unexpected places. They might use tree cavities, shrubs, apartment balconies, or even roof overhangs to protect their nests. This ability to live near humans has allowed them to spread to many different parts of the world.

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🖼️ Images & Media (6)
File:Muscovy Duck (Cairina moschata) male (48300658492).jpg
Muscovy Duck (Cairina moschata) male...
File:Muscovy Duck (Cairina moschata) male (48300537941).jpg
Muscovy Duck (Cairina moschata) male...
File:Muscovy Duck (Cairina moschata) male.jpg
Muscovy Duck (Cairina moschata) male.jpg
File:Muscovy Ducks (Cairina moschata) couple perched for the night ... (27751132099).jpg
Muscovy Ducks (Cairina moschata) couple...
File:Cairina moschata MWNH 1056.JPG
Cairina moschata MWNH 1056.JPG
File:Anseriformes - Cairina moschata - 4.jpg
Anseriformes - Cairina moschata - 4.jpg
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