Search results
Results from the WOW.Com Content Network
Tundra swans are sometimes separated in the subgenus Olor together with the other Arctic swan species. Bewick's swan was named in 1830 by William Yarrell after the engraver Thomas Bewick, who specialised in illustrations of birds and animals. [5] Cygnus is the Latin for "swan", and columbianus comes from the Columbia River, the type locality. [6]
Winter is the time to see a good variety of ducks in the refuge including northern shovelers, ring-necks, and blue-wing teals. Tundra swans usually arrive in early December. Approximately 20,000 ...
The whooper swan and tundra swan are wholly migratory, and the trumpeter swans are almost entirely migratory. [16] There is some evidence that the black-necked swan is migratory over part of its range, but detailed studies have not established whether these movements are long or short-range migration.
The California quail is the official state bird of California. This list of birds of California is a comprehensive listing of all the bird species seen naturally in the U.S. state of California as determined by the California Bird Records Committee (CBRC). [1] Additional accidental and hypothetical species have been added from different sources.
The swans were a mix of trumpeters and tundras, both of which are protected by state and federal laws. Minnesota has the highest population of trumpeter swans in the lower 48 states. A survey in ...
The trumpeter swan (Cygnus buccinator) is a species of swan found in North America.The heaviest living bird native to North America, it is also the largest extant species of waterfowl, with a wingspan of 185 to 304.8 cm (6 ft 2 in to 10 ft 2 in).
Established in 1962 as a sanctuary for migratory birds, Eastern Neck National Wildlife Refuge provides natural habitat for over 240 bird species — including bald eagles and transitory peregrine falcons — and is a major staging site for tundra swans.
Mother swans typically lay 4-10 eggs knowing that not all of the cygnets will survive. Once the female swan lays her eggs, both parents spend time protecting and incubating the eggs over the next ...