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The mute swan population stands at the highest it has been for 40 years.
So work still needs to be done to make Britain a completely safe place for the mute swan.
They studied the mute swans to find the right foster parents.
The fish and wildlife service wants the mute swan population reduced to about 3,000 over the next 10 years.
The most obvious of all Shannon birds is the mute swan.
Mute swan, stately and serene, are present all the year.
As a mute swan, he does not give interviews.
The walk takes its name from the population of Mute Swans on the river.
Researchers have reported that a single adult mute swan eats eight pounds of such food a day.
Hunting of mute swans is not a feasible solution for two reasons.
Mute swans are a familiar and impressive sight in Britain.
Since we've been here we've had several mute swans on our property, but that is changing.
I have also made room for nesting mute swans, another invader.
The aggressiveness of mute swans can be something of a problem.
It is the only colony of mute swans in the world that is open to the public.
The pair of mute swans was imported from Amsterdam.
The area is now home to several species such as the moorhen, mute swan and mallard.
New Jersey state environmentalists said they were unaware of mute swans having any adverse environmental impact.
No mute swans, the state maintains, have been killed yet by state biologists.
Some scientists agree the data doesnt clearly point to the mute swan.
Officials in Connecticut, which has a population of roughly 1,500 mute swans, want the population reduced to 190.
Are mute swans, searching for the foods they like, a natural phenomenon, or a perverse consequence?
Mute swans were brought over from Europe in Victorian times and are domesticated.
The mute swan can hiss, snort or even grunt when approached by people, though.
The Mute Swan has been the national bird of Denmark since 1984.