A. bilineatusAgkistrodon bilineatus is a venomous pitviper species found in Mexico and Central America as far south as Costa Rica. Four subspecies are currently recognized, including the nominate subspecies described here.-Description:...
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Günther Albrecht Karl Ludwig Gotthilf Günther FRS October 3, 1830 – February 1 1914, was a German-born British zoologist....
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MexicoThe United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
and Central AmericaManagua Guatemala City San Salvador San Pedro Sula Panama City San José, Costa Rica Santa Ana, El Salvador León San Miguel|-|}...
. On the Atlantic side it is found in Mexico in TamaulipasTamaulipas is one of the 31 states of Mexico and is located in the central-northeastern part of the Mexican federation. It borders the the U.S. state of Texas to the north, the Gulf of Mexico to the east, Veracruz to the south, San Luis Potosí to the southwest, and Nuevo León to the west...
, Nuevo LeónNuevo León is a state located in northeastern Mexico. It borders the states of Tamaulipas to the north and east and San Luis Potosí to the south, and Coahuila to the west. To the north, Nuevo León accounts for a 15 kilometer stretch of the U.S.-Mexico border adjacent to the U.S...
, possibly northern VeracruzVeracruz, formally Veracruz de Ignacio de la Llave is one of the 31 states that constitute the United Mexican States. Veracruz is borderd by Tamaulipas to the north, the Gulf to the east, Tabasco to the southeast, Oaxaca and Chiapas to the south and Puebla, Hidalgo, and San Luis Potosi to the west...
and ChiapasChiapas is the southernmost state of Mexico, located towards the southeast of the country. Chiapas is bordered by the states of Tabasco to the north, Veracruz to the northwest, and Oaxaca to the west. To the east Chiapas borders Guatemala, and to the south the Pacific Ocean.Chiapas has an area of...
(in the Middle Grijalva ValleyGrijalva River, also Tabasco R. is a 480 km. long river in southeastern Mexico. It is named after Juan de Grijalva who visited the area in 1518. The river rises in Chiapas highlands and flows from Chiapas to the state of Tabasco through the Sumidero Canyon into the Bay of Campeche...
). On the Yucatan PeninsulaThe Yucatán Peninsula, in southeastern Mexico, separates the Caribbean Sea from the Gulf of Mexico, with the northern coastline on the Yucatán Channel...
it occurs in CampecheThe State of Campeche is a state in the south-east region of the Mexican Republic. It is bordered by the Mexican states of Yucatán to the north east, Quintana Roo to the east, and Tabasco to the south west...
, YucatánYucatán is one of the 31 states of Mexico, located on the north of the Yucatán Peninsula. The Yucatan peninsula includes three states: Yucatán, Campeche, and Quintana Roo; all three modern states were formerly part of the larger historic state of Yucatán in the 19th century. The state capital of...
, Quintana RooQuintana Roo is a state of Mexico, on the eastern part of the Yucatán Peninsula. It borders the States of Yucatán and Campeche to the north and west, the Caribbean Sea to the east, and the nation of Belize to the south...
and northern BelizeBelize , is a country in Central America. Belize has a diverse society, composed of many cultures and speaking many languages. Although Kriol and Spanish are spoken among the population, Belize is the only country in Central America where English is the official language...
. On the Pacific side it is found from southern SonoraSonora is a state in northwestern Mexico with an area of 182,052 square kilometers, making it around the size of Syria. It is surrounded by the states of Baja California and the Sea of Cortez to the west, Chihuahua to the east, Sinaloa to the south, and Arizona to the north.The capital is...
in Mexico south through GuatemalaGuatemala is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, and Honduras and El Salvador to the southeast. Its size is just under 110,000 km² with an estimated population...
, El SalvadorEl Salvador is the smallest and most densely populated country in Central America. It borders the Pacific Ocean between Guatemala and Honduras. It lies on the Gulf of Fonseca, as does Nicaragua further south. It has a population of approximately 5.7 million people as of 2009 on...
, HondurasHonduras is a republic in Central America. It was formerly known as Spanish Honduras to differentiate it from British Honduras...
and NicaraguaNicaragua officially the Republic of Nicaragua , is a representative democratic republic. It is the largest country in Central America with an area of 130,373 km 2. The country is bordered by Honduras to the north and Costa Rica to the south. The Pacific Ocean lies to the west of...
to southwestern Costa RicaCosta Rica, officially the Republic of Costa Rica is a country in Central America, bordered by Nicaragua to the north, Panama to the east and south, the Pacific Ocean to the west and south and the Caribbean Sea to the east.Costa Rica, which translates literally as "Rich Coast", constitutionally...
. On the Pacific side the distribution is almost continuous, while on the Atlantic side it is disjunct. |
A. contortrixAgkistrodon contortrix is a species of venomous snake found in North America, a member of the Crotalinae subfamily. Common names for the species include Copperhead and moccasin. The behaviour of Agkistrodon contortrix may lead to accidental encounters with humans...
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LinnaeusCarl Linnaeus was a Swedish botanist, physician, and zoologist, who laid the foundations for the modern scheme of binomial nomenclature...
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The United StatesThe United States of America is a federal constitutional republic comprising fifty states and a federal district...
(TexasTexas is the second-largest U.S. state in both area and population, and the largest state in the contiguous United States.The name had wide usage among native Americans, meaning "friends" or "allies"...
, OklahomaOklahoma is a state located in the South Central region of the United States of America. With an estimated 3,617,316 residents in 2007 and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...
, KansasKansas is a state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa tribe, who inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south wind," although this was...
, MissouriMissouri is a state in the Midwest region of the United States bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. Missouri is the 18th most populous state with a 2008 estimated population of 5,911,605. It comprises 114 counties and one independent city....
, ArkansasArkansas is a state located in the southern region of the United States. Its name is an Algonquin name of the Quapaw Indians. Arkansas shares a border with six states, with its eastern border largely defined by the Mississippi River. Its diverse geography ranges from the mountainous regions of the...
, LouisianaThe State of Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state divided into parishes, which are local governments equivalent to counties...
, MississippiMississippi is a state located in the Southern United States. Jackson is the state capital and largest city. The state's name comes from the Mississippi River, which flows along its western boundary, and takes its name from the Ojibwe word misi-ziibi . The state is heavily forested outside of the...
, AlabamaAlabama is a state located in the southeastern region of the United States of America. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its...
, GeorgiaGeorgia is a state in the United States. One of the original Thirteen Colonies that revolted against British rule in the American Revolution, it had been the last of the Thirteen Colonies to be established, in 1733. Georgia was the fourth state to ratify the United States Constitution, on January...
, FloridaFlorida is a state located in the southeastern region of the United States, bordering Alabama to the northwest and Georgia to the north. It was the 27th state admitted to the United States...
, South CarolinaSouth Carolina is a U.S. state that borders Georgia to the south and North Carolina to the north. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence from the British Crown during the American Revolution. The colony was...
, North CarolinaNorth Carolina is a state located on the Atlantic Seaboard in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties...
, TennesseeTennessee is a state located in the Southeastern United States. According to the 2008 census, it has a population of 6,214,888, an increase of nearly 9.5% since 2000. Tennessee is the 14th fastest growing state in the US and is ranked 17th by population. It is ranked 36th by total land area. In...
, KentuckyThe Commonwealth of Kentucky is a state located in the East Central United States of America. Kentucky is a Southern state situated in the Upland South, although the state is infrequently placed, geographically and culturally, in the Midwest. Kentucky is one of four U.S. states constituted as a...
, VirginiaThe Commonwealth of Virginia is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" because it is the birthplace of eight U.S. presidents. The geography and climate of the state are shaped by the Blue...
, West VirginiaWest Virginia is a state in the Appalachian and Mid-Atlantic regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, and Pennsylvania and Maryland to the northeast...
, IllinoisIllinois , the 21st state admitted to the United States of America, is the most populous and demographically diverse Midwestern state and the fifth most populous state in the nation...
, IndianaIndiana is a U.S. state, the 19 th admitted to the Union. It is located in the Great Lakes region, and with approximately 6.3 million residents, is ranked 16 th in population and 17 th in population density. Indiana is ranked 38 th in land area, and is the...
, OhioOhio is a Midwestern state of the United States. The thirty-fourth largest state by area in the U.S., it is the seventh-most populous with nearly 11.5 million residents...
, IowaIowa is a state located in the Midwestern region of the United States of America, an area often referred to as the "American Heartland." It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of...
, PennsylvaniaThe Commonwealth of Pennsylvania , often colloquially referred to as PA by natives and Northeasterners, is a state located in the Northeastern and Middle Atlantic regions of the United States...
, MarylandMaryland is a state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia and the District of Columbia to the south and west, Pennsylvania to the north, and Delaware to the east. It is comparable in size to the European country of Belgium. According to the U.S...
, New JerseyNew Jersey is a state in the Mid-Atlantic region of the United States. It is bordered on the north by New York, and to the east by the Hudson River, Upper New York Bay, the Kill Van Kull, Newark Bay, the Arthur Kill, Raritan Bay, Sandy Hook Bay, Westchester County, New York City, Long Island, and...
, DelawareDelaware is a U.S. state located on the Atlantic Coast in the Mid-Atlantic region of the United States. The state takes its name from Thomas West, 3rd Baron De La Warr, a British nobleman and Virginia's first colonial governor, after whom Cape Henlopen was originally named.Delaware is located in...
, New YorkNew York is a state in the Mid-Atlantic and Northeastern regions of the United States and is the nation's third most populous. The state is bordered by New Jersey and Pennsylvania to the south, and Connecticut, Massachusetts and Vermont to the east...
, ConnecticutConnecticut is a state in the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and New York to the west and south ....
, MassachusettsThe Commonwealth of Massachusetts is a state in the New England region of the northeastern United States. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. Most of its population of...
), Mexico (Chihuahua, CoahuilaCoahuila, formally Coahuila de Zaragoza , is one of Mexico's 31 component states. It is located in the north of the country.To the north, Coahuila accounts for a stretch of the U.S. - Mexico border, adjacent to the U.S...
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