Ducks swim in water primarily by using their webbed feet as paddles.
The Role of Webbed Feet
A duck's webbed feet are uniquely adapted for aquatic locomotion. The webbing between their toes provides a larger surface area, allowing them to efficiently push against the water.
- Increased Surface Area: The webbed feet increase the surface area pushing against the water, maximizing propulsion.
- Paddling Motion: Ducks move their feet in an alternating paddling motion, similar to how humans use paddles in a canoe.
- Flexibility: Ducks can spread their toes widely for a powerful stroke and then bring them closer together on the recovery stroke to reduce water resistance.
Leg Position and Body Streamlining
The position of a duck's legs, located towards the rear of its body, also contributes to efficient swimming.
- Propulsion Point: Legs are positioned ideally for propulsion.
- Streamlined Body: Their body shape is streamlined to reduce drag in the water.
Other Contributing Factors
While webbed feet are the main driver, other factors play a role:
- Waterproof Feathers: Oiled feathers keep them buoyant and prevent waterlogging.
- Tail as Rudder: The tail can act as a rudder for steering.
- Body Movement: Minor body movements can contribute to maneuverability.
In summary, ducks swim by efficiently using their webbed feet as paddles, leveraging their streamlined body shape, and waterproof feathers for buoyancy and ease of movement in the water.