Quick Answer
Tundra Swans are larger than Cackling and Mute Swans, with a distinctive yellow spot on their bill and a grayish-brown plumage. They have a longer neck and wings than other swan species, enabling them to migrate long distances. Their distinctive call is often described as a high-pitched, nasal honking sound.
Physical Characteristics
Tundra Swans have a distinctive yellow spot on their bill, a feature that can be used to identify them in the field. This spot is located at the base of the bill, just above the black base. They also have a grayish-brown plumage, with a smooth, sleek appearance. In comparison, Mute Swans have a bright orange or red bill with black base, while Cackling Swans have a smaller size with a more mottled plumage.
Migration Patterns and Habitat
Tundra Swans migrate long distances each year, with some populations traveling over 3,000 miles from their breeding grounds in the Arctic to their wintering grounds in the southern United States and Mexico. They typically migrate in large flocks, often with other waterfowl species. In the winter, they can be found in wetlands and shallow lakes, where they feed on aquatic plants and small invertebrates.
Identification Techniques
To identify Tundra Swans in the field, look for their distinctive yellow bill spot and grayish-brown plumage. They can also be identified by their long neck and wings, which enable them to fly high and cover long distances. When observing a flock of swans, listen for their high-pitched, nasal honking call, which is distinct from the calls of other swan species. A good pair of binoculars or a spotting scope can also be useful for getting a closer look at these birds.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.