Black billed swan specimen

Black billed swan specimen

The black billed swan, also known as the trumpet swan, is the largest native waterfowl in North America and is named after its unique horn like call. The body length is usually between 138 and 165 centimeters, the wingspan can reach 185 to 304.8 centimeters, and the weight is between 7 and 13.6 kilograms. They are the heaviest flying birds in North America. Due to overfishing and habitat loss, the population sharply declined in the early 20th century. By implementing protective measures and reintroducing the project, the population has now recovered to some extent