The exotic Mute Swan is the majestic bird of Russian ballet and European stories.
This swan swims with its long neck bent into the S shape and keeps its wings slightly above its back.
While abundant and well known in city parks, bays, and lakes in the Pacific Northwest, the Great Lakes, the Northeast, and the Mid-Atlantic, Mute Swans are not native to North America.
Mute swans were first brought to North America to decorate ponds and lakes in towns and cities.
You will also find them within the dispersed range in shallow wetlands, streams, rivers, and estuaries.
Scientific Classification
- Domain: Eukaryota
- Kingdom: Animalia
- Phylum: Chordata
- Class: Aves
- Order: Anseriformes
- Family: Anatidae
- Genus: Cygnus
- Species: C. olor
Other Names
- Cisne Vulgar (Spanish)
- Cygne tuberculé (French)
Description
Adults of Mute Swan species typically range from 140 to 160 cm (55 to 63 in) in length, although they can range from 125 to 170 cm (49 to 67 in) in extreme cases with a wingspan of between 200 and 240 cm (79 to 94 in).
The males are larger than the females, and they have a larger knob on their bill.
On average, this is the second-largest waterfowl species after the trumpet swan, although male mute swans can easily match or even exceed male trumpets in mass.
Young mute swans, called cygnet, are not the bright white of mature adults, and for the first year, their bill is dull, greyish-black.
The down can vary from pure white to grey to buff, the most common being grey/buff.
The white swans have a leucistic gene. Cygnets grow rapidly, reaching a size close to their adult size in about three months after hatching.
Typically, Cygnets retain their grey feathers until they are at least one year old, with the down wings replaced by flight feathers earlier that year.
All mute swans are white when mature. However, the feathers (especially on the head and neck) are often stained orange-brown with iron and tannins in the water.
Behavior
Mute swans on large mounds nest on islands in the middle of the lake’s edge with vegetation on the waterside.
They are monogamous, often reuse the same nest yearly, and repair or rebuild it as appropriate.
Male and female swans share nest care, and it’s not uncommon to see whole families looking for food until the cygnets are blown off.
They feed on various vegetation, both submerged aquatic plants and grass on the ground.
The food typically includes cropper plants like olive rape and wheat, and flocks may cause severe crop damage in winter by trampling their large webbed feet as well as by eating them directly.
Unlike black swans, silent swans are usually extremely territorial, with only a pair on smaller lakes.
Still, they may be colonial in a few areas with an appropriate feeding environment.
The largest colonies are more than 100 pairs in the coastal waters of the Baltic Sea.
They have nests spaced up as little as 2 meters (7 ft), including in the colonies at Abbotsbury Swannery in the south of England and the South of the Öland Island, Ottenby Preserve.
The River Tweed Estuary at Berwick-upon-Tweed in Northeastern England includes a notable voltage of non-breeding birds, and the maximum counting is 787.
Near the Swan Lifeline Station in the village of Windsor, there is a large population living on the Thames, shadowed by the castle of Windsor.
When the younger people are mated, they look for their land and often live close to ducks and gulls, who benefit from the capacity of the swan to enter deep-water weeds, which seem to be on the water’s surface.
But they do produce a range of groaning, heckling, and snoring noises, especially their cygnets, and generally hoist at rival rivals or intrusions that try to invade their territories.
The mute swan is less boisterous than the loud whooper and Bewick’s swans (a mute swan subtype).
The most common sound associated with mute swans is the vivid throb of the flight wings, distinctly known to the species and heard over an area between 1 and 2 km (0.6 and 1 mi).
Mute swans will defend their nests very vigorously and protect their buddy highly.
The most defensive strikes from a mute swan start from a loud hiss and, whether this is enough to frighten the attacker, are accompanied by a physical attack.
Swans strike by smashing at their opponent with bony spurs in the wings, followed by biting with their large bill, whereas smaller waterbirds such as ducks are usually caught with the swan’s bill and pulled or tossed off the swan or its offspring.
The cobs are responsible for protecting the cygnets while on the water and will often target small watercraft, such as canoes, that it feels pose a danger to its young.
The cob would also attempt to scare the predator off his family turf, keeping predators like foxes and raptors at bay. The most common cygnet predators are the snapping tortoises.
Healthy adults are rarely preyed on, although coyotes and bears may threaten healthy adults, who typically swim away from danger unless they protect their nests.
The familiar pose with a curved back neck and half-edged wings, known as busking, is a dangerous display.
Both feet are paddled together during this display, resulting in more jerky movement.
Swans can also use the busking pose for wind-assisted transport over several hundred meters, so-called windsurfing.
Like other swans, mute swans are popular for their ability to grieve for a lost, dead mate or cygnet.
Swans usually go through a mourning process, and in the event of losing their mate, they may either stay where their counterpart lives or fly off to join a flock.
Reproduction
The mute swans lay between 4 and 10 eggs—female broods for about 36 days, with swans typically hatching between May and July. Young swans cannot fly until the age of 120 to 150 days.
This limits the distribution of the species at the northern edge of its range, as the swans need to learn to fly until the ponds and lakes freeze.
Habitats and Ecosystem
A mute swan is normally found primarily in temperate areas of Europe, then across the Palearctic as far east as Primorsky Krai, near Sidemi.
It is partly migratory across northern latitudes in Europe and Asia, as far south as North Africa and the Mediterranean.
It is recognized and reported to have nestled in Iceland. According to the UN Environment Program Map of the International Status Chart of Bird Species, it is a wanderer in that region and Bermuda, which places it in 70 countries, breeding in 49 countries and wandering in 16 countries.
While most of Japan’s population is imported, mute swans are depicted on scrolls. Natural migrants to Japan typically occur along with the Bewick swans.
The mute swan is protected to a large degree, but this has not stopped illegal hunting and poaching.
It is also kept in captivity outside its natural range to decorate parks and ponds, and escapes have occurred.
The offspring of such birds have been naturalized in the eastern United States and the Great Lakes, just as Canada’s goose has done in Europe.