What Do Ducks Do? From Foraging to Flying and Flocking

Ducks are familiar birds found in various aquatic environments worldwide. These birds exhibit a range of behaviors that allow them to thrive in diverse habitats, from bustling city ponds to serene wetlands. Their daily routines, social interactions, and physical characteristics all contribute to their ability to navigate and survive in their surroundings.

Daily Activities and Routines

Ducks engage in a variety of activities throughout their day, primarily focused on feeding, moving, and maintaining their plumage. Foraging methods differ between species; dabbling ducks, like mallards, typically feed by tipping their bodies forward, sifting through the water’s surface or shallow mud with their broad bills to find plants, seeds, or invertebrates. Diving ducks, conversely, plunge completely underwater, propelling themselves with their webbed feet to pursue fish or aquatic vegetation at greater depths.

Movement for ducks encompasses swimming, walking, and flying. Their webbed feet allow for efficient swimming and provide stability on land. Ducks are also capable fliers, utilizing rapid wingbeats, approximately 10 times per second, to achieve speeds averaging 80 kilometers per hour (50 miles per hour). Dabbling ducks can launch almost vertically into flight, whereas diving ducks often require a running start across the water to gain lift.

Self-care is a regular part of a duck’s day, particularly preening. Ducks use their bills to spread oil over their feathers, which helps to waterproof their plumage and provide insulation. This process keeps their feathers flexible and healthy.

Ducks exhibit flexible resting and sleeping patterns, taking short naps throughout the day and night. They sleep in groups, either on land or floating on water, which offers safety from predators. Ducks also possess unihemispheric sleep, allowing one half of their brain to rest while the other remains active and one eye stays open to detect threats. Common sleeping postures include resting their heads on their backs or chests, or standing on one leg.

Social Life and Reproduction

Ducks are social animals, forming flocks for security, efficient foraging, and successful breeding. These groups, sometimes called rafts when on water, maintain social structures, interacting through various forms of communication. Their communication includes diverse vocalizations like quacks, chirps, grunts, and whistles, conveying messages from alarm signals to contentment. Beyond sounds, ducks also use body language, such as head bobbing, tail wagging, and wing flapping, to express moods and intentions.

Courtship rituals among ducks are elaborate, with males displaying vibrant plumage and performing specific movements to attract females. These displays can include rhythmic head-bobbing, specialized calls, and mutual preening, strengthening pair bonds. Most wild duck species form pair bonds for a single breeding season, exhibiting seasonal monogamy rather than mating for life. During mating, male ducks may engage in behaviors like neck-grabbing to position the female.

For nesting, the female duck typically selects a secluded site on dry ground near water, often concealed within dense vegetation. She constructs a bowl-shaped nest using available plant materials. The female lays one egg per day until a clutch of 8 to 12 eggs is complete. Incubation begins once all eggs are laid and lasts about 28 days, with the female solely responsible for incubation and subsequent care of the ducklings.

After hatching, ducklings are precocial, meaning they are capable of walking, swimming, and feeding themselves shortly after emerging from the egg. The mother duck leads her brood to water within a day of hatching and continues to provide supervision and protection for 50 to 60 days until the young can fly and become independent.

Physical Adaptations for Their Lifestyle

Ducks possess several physical adaptations that enable their aquatic and aerial lifestyles. Their webbed feet, characterized by skin stretched between their toes, create an expansive surface area. This design functions like a paddle, allowing them to propel through water with efficiency, and the flexibility of their feet permits them to fold their toes on the forward stroke, minimizing resistance. These feet also provide traction for movement on land and assist in foraging underwater.

The bills of ducks vary in shape and size, reflecting their diverse feeding strategies. Dabbling ducks typically have broad, flattened bills equipped with lamellae, comb-like structures. These lamellae act as a sieve, allowing them to filter small organisms, seeds, and plant matter from water or mud. In contrast, diving ducks often have more pointed or narrow bills, specialized for grasping fish and aquatic invertebrates underwater. For example, mergansers have serrated bills suited for catching slippery prey.

Ducks maintain their buoyancy and insulation through specialized feathers and an oil-producing gland. Their feathers are dense and structured to shed water. At the base of a duck’s tail is the uropygial gland, which secretes a waxy, oily substance. Through the act of preening, ducks spread this oil across their entire plumage, creating a waterproof barrier that prevents their feathers from becoming saturated. This natural waterproofing is essential for regulating body temperature and allows ducks to remain comfortable in cold water environments.