A swan
The bird you are describing is most likely a "seagull." Seagulls are commonly found near bodies of water and have a distinctive appearance with a white and gray plumage.
Sea ducks of the genus Melanitta, also known as scoters, are large diving ducks found in coastal waters. They have dark plumage with distinctive white patches on their head. These ducks feed by diving for shellfish and other aquatic invertebrates.
The bird you are describing is likely a Silver Gull. They have white and grey plumage, black-tipped wings, and a distinctive square-cut tail. They are commonly found along coastlines in Australia.
there is a bird called the ptarmigan which continuously changes its plumage to hide and camouflage itself. The ptarmigan is found usually in the places occurring in the Arctic Circle. To hide it from its main predator, the Arctic fox, it changes its plumage throughout the seasons. Its plumage will almost blend into a rock in the summer, when the ice would have melt, but in the winter, its plumage changes to a pure white. That's your answer.
Swallows are small birds with long, pointed wings and short bills. They typically have colorful plumage with shades of blue, brown, black, and white. They are known for their graceful and agile flight patterns.
The bird described is a coot. There are 12 extant (living) species of coot.
The word is plumage, not coat. It's mostly white, with black flecks.
The definition of gull is: any of numerous long-winged, web-toed, aquatic birds of the family Laridae, having usually white plumage with a gray back and wings.
The plumage of the blue black white bird typically features shades of blue, black, and white.
Their white plumage
The bird you are describing is most likely a "seagull." Seagulls are commonly found near bodies of water and have a distinctive appearance with a white and gray plumage.
The ptarmigan does use camouflage by moulting white, winter plumage to brown spring plumage.
smew
A 'Shag'
The Oriental white stork has adapted to live in wetland habitats, where they can find an abundance of food such as fish, frogs, and insects. They have long legs for wading in water and a sharp, pointed beak for catching prey. Their white plumage provides camouflage in their marshy surroundings.
The unique characteristic of a duck with white and black plumage and a distinctive red face is its striking appearance, which sets it apart from other ducks.
The national flag of Tunisa is mostly red with a white circle in the middle depicting a red crescent around a five pointed star.