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Papilio machaon oregonius W.H. Edwards , 1876 The Oregon swallowtail ( Papilio machaon oregonius , sometimes classified as Papilio oregonius or Papilio bairdii oregonius [ 1 ] ) is a subspecies of swallowtail butterfly native to the United States of America , Oregon , Washington , and Idaho and south-central British Columbia in Canada . [ 2 ]
An aerial view of BWI Marshall Airport with downtown Baltimore in the background in September 2009. Planning for a new airport on 3,200 acres (1,300 ha) to serve the Baltimore–Washington metropolitan area began in 1944, just prior to the end of World War II, when the Baltimore Aviation Commission announced its decision that the best location to build a new airport would be on a 2,100-acre ...
This is a list of airports in Maryland (a U.S. state), grouped by type and sorted by location.It contains all public-use and military airports in the state. Some private-use and former airports may be included where notable, such as airports that were previously public-use, those with commercial enplanements recorded by the FAA or airports assigned an IATA airport code.
Washington metropolitan area airports with the Washington-Virginia Airport (on left) and showing the one-mile lateral area around the airport. Crowded airspace in the Washington DC area resulted in the Federal Aviation Agency establishing special flight restrictions which were published in the 1961 Code of Federal Regulations as part of Title 14 – Aeronautics and Space. [13]
Washington-Hoover Airport, a now-defunct airport which served Washington, D.C., from 1933 to 1941 Washington Executive Airport (FAA: W32), a public use airport near Clinton, Maryland , served until 2022 [ 1 ]
According to Bird Checklists of the World (Avibase), the capital city of the United States, Washington, D.C., has 346 species of birds as of June 2021. Of them, 63 are considered rare or accidental, two are extinct, and one has been extirpated. Four have been introduced to North America and another introduced to the eastern U.S. [2]
Papilio machaon, the Old World swallowtail, is a butterfly of the family Papilionidae. The butterfly is also known as the common yellow swallowtail or simply the swallowtail (a common name applied to all members of the family, but this species was the first to be given the name).
Papilio bootes, the tailed redbreast, is a swallowtail butterfly found in Asia. Within their wide distribution about four population variants have been named as subspecies. Within their wide distribution about four population variants have been named as subspecies.