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mtDNA control region sequence data indicates that these birds are derived from ancestral American black ducks, being far more distantly related to the mallard, and that the two subspecies, as a consequence of their rather limited range and sedentary habits, are genetically well distinct already. [7] The Florida mottled duck (A. f. fulvigula)
An example is the migration of continental populations of Swainson's thrush Catharus ustulatus, which fly far east across North America before turning south via Florida to reach northern South America; this route is believed to be the consequence of a range expansion that occurred about 10,000 years ago. Detours may also be caused by ...
The northern mockingbird is the state bird of Florida. This list of birds of Florida includes species documented in the U.S. state of Florida and accepted by the Florida Ornithological Society Records Committee (FOSRC). As of November 2022, there were 539 species included in the official list. [1]
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The mallard (/ ˈ m æ l ɑːr d, ˈ m æ l ər d /) or wild duck (Anas platyrhynchos) is a dabbling duck that breeds throughout the temperate and subtropical Americas, Eurasia, and North Africa.
Bird migration is on the rise, and so are window collisions. As temperatures slowly drop in Chicago, 300 million to 400 million birds are crossing the continent heading south to their nesting ...
Waterfowl flyways in the United States. The Atlantic Flyway is in violet. The Atlantic Flyway is a major north-south flyway for migratory birds in North America. The route generally starts in Greenland, then follows the Atlantic coast of Canada, then south down the Atlantic Coast of the United States to the tropical areas of South America and the Caribbean. [1]
That means, historically, he begins by visiting areas in the South Pacific before moving on to New Zealand, Australia, Asia, Africa, Europe, North America, Central America and South America, in ...