Ducks, Mallards & Wigeons
- Physical Adaptations
- Physical differences between ducks, swans and geese
- Breeding / Nesting
- Calls / Vocalizations
- Relationships with Humans
- Diet / Feeding
Duck are mostly aquatic birds, with a nearly global distribution, with the exception of Antarctica, although some species have learned to survive on sub-Antarctic islands. Depending on the species, they occur in both fresh water and sea water.
A group of ducks is called a "brace". The male duck is known as "drake," the female as "hen," and a juvenile duck (chick) is referred to as "duckling."
Domestic ducks live, on average, 8 - 12 years.
Duck breeds are generally grouped into Light, Medium and Heavy weight classes.
HEAVY WEIGHT CLASS
- Appleyard Ducks
- Saxony Ducks
MEDIUM WEIGHT CLASS
LIGHT WEIGHT CLASS
The duck's overall body is elongated and broad; and ducks are relatively long-necked, although not as long-necked as the geese and swans.
Diving ducks typically have a more rounded shape and a broader bill.
The fish-eating species have long bills that are strongly serrated to allow them to more easily grip slippery prey. They have strong, scaled legs that are set far back on the body. The short and pointed wings are very strong.
Three species of steamer duck are almost flightless; although many species of duck are temporarily flightless when they are undergoing their yearly molt (usually post-breeding). During this time, they will seek out protected habitat with good food supplies. Following their molt, migratory species will travel to their winter territories.
Ducks are able to stay afloat in water is because of ...
- air sacs in their bodies that increase their buoyancy.
- their feathers trap air in between them, which also helps them to float.
Their feathers are covered with a waterproof substance that keeps them warm and dry.
Their webbed feet allow them to maneuver easily in the water.
Feeding: instead of "teeth," ducks have serrations (saw-like edges) on their bills that allow them to filter food out of the water.
Sometimes, it is easy to confuse geese and the related ducks and swans, and the groupings are in some cases unclear and disputed. However, speaking in general terms, size is usually a method of identification: swans tend to be larger than true geese and ducks are usually smaller.
Ducks usually pair up for one breeding season and are during this time monogamous, except for the larger species and the more sedentary species (such as fast river specialists) may form pair bonds that last numerous years.
Ducks usually b reed in spring or summer or during the wet seasons.
Most duck species only breed once a year.
Ducks make a wide range of calls that are described as whistles cooing, yodels and grunts. Their calls could be loud displaying calls or quieter contact calls.
Only the females of dabbling ducks" quack. The males never quack.
Ducks are preyed upon by predatory birds but also large fish like pike, crocodilians, and other aquatic hunters, including fish-eating birds such as herons.
Ducks' nests are raided by land-based predators.
In flight, they may be shot down by hunters or are at risk of being taken by Peregrine Falcons, which regularly speed up to catch ducks and other birds in flight.
Ducks are commonly farmed for their meat, eggs, feathers (particularly their down). .
Waterfowl, such as ducks, geese, swans and cranes can cause problems around homes.
- Visit this webpage for tips on how to control them humanely.
Ducks may feed on grasses, aquatic plants, fish, insects, small amphibians, worms, and small mollusks. Some may eat mussels, shrimps, and even young birds.
Instead of "teeth," ducks have serrations (saw-like edges) on their bills that allow them to filter food out of the water or help them grip their slippery prey.
Some duck species have wide, flat beaks that allow them to easily dredge wetland to pull up waterweed, pick up worms and small mollusks.
The dabbling ducks mostly feed on the surface of water or on land,. They will go as deep as they can reach by up-end without actually submerging themselves in the water. They have a comb-line structure along the edge of the beaks called a pecten, which allows them to strain water squirting from the side of the beak and traps any food. They also use the pecten to preen feathers.
Captive birds are often fed commercially prepared duck food pellets - if there are insufficient natural resources available to sustain them. As they feed on insects, they are very useful in ridding gardens or lawns of harmful bugs.
Feeding Ducks ...
We all enjoy ducks and many of us offer them food to encourage them to come over and stay around - and it works! Who doesn't like an easy meal!
However, the foods that we traditionally feed them at local ponds are utterly unsuitable for them and are likely to cause health problems down the road. Also, there may be local laws against feeding this species of bird - so it's best to check on that rather than facing consequences at a later stage.
- Foods that can be fed to Ducks, Geese and Swans to survive cold winters and remain healthy when food is scarce in their environment.
Please note that feeding ducks and geese makes them dependent on humans for food, which can result in starvation and possibly death when those feedings stop. If you decide to feed them, please limit the quantity to make sure that they maintain their natural ability to forage for food themselves - providing, of course, that natural food sources are available.
Species Research by Sibylle Johnson
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