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The trumpeter swan is the largest extant species of waterfowl, and both the heaviest and longest native bird of North America. Adults usually measure 138–165 cm (4 ft 6 in – 5 ft 5 in) long, though large males can exceed 180 cm (5 ft 11 in) in total length.
Trumpeter swan, re-introduced successfully to areas of the United States and Canada; Mute swan, introduced successfully to North America, New Zealand, Australia, South Africa, United Arab Emirates and Japan [2] introduced unsuccessfully to the Hawaiian Islands
The elegant trumpeter swan is North America's largest waterfowl, with a wingspans of 8 feet (2.6 m) and they can weigh up to 30 pounds (13 kg). Whooping cranes. The elevation of the refuge ranges from 6,600 feet (2,000 m) to almost 10,000 feet (3,000 m) and consists of 65,810.25 acres (266.32 km 2) [1] of high elevation prairie and forested ...
Ruby Marsh is a wetlands area within the national refuge, which serves as a nesting area for "the greater sandhill crane and trumpeter swan".In 1972, Ruby Marsh, which is located within the Ruby Lake National Wildlife Refuge, was designated as a National Natural Landmark by the National Park Service of the United States Department of the Interior.
The maps of North America (1796) and Scotland (1807) are the most celebrated of his many later productions. [2] In 1804, 63 maps drawn by Arrowsmith and Samuel Lewis of Philadelphia (publisher of William Clark's manuscript map of the Northwest) [3] were published in the New and elegant General Atlas Comprising all Discoveries to the Present Time.
Trumpeter swan on nest. Order: Anseriformes Family: Anatidae. The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils.
The population of trumpeter swans east of the Rockies in the 1600s was estimated at 130,000. [1] Annually, between three and five thousand swans were killed, which greatly contributed to the decline of trumpeter and tundra swans to the point where they were very scarce in the interior of North America.
Due to overhunting, the trumpeter swan was near extinction in the early 20th century. The implementation of conservation efforts across North America led to the species recovery. One such example was the caretaking efforts of the Edwards Family for the swans of lonesome lake during harsh winters in the 1920s. [16]