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The Columbian Exchange, also known as the Columbian Interchange, was the widespread transfer of plants, animals, and diseases between the Americas (the New World) and Afro-Eurasia (the Old World) in the late 15th century. The term was coined by American historian Alfred W. Crosby in his 1972 book, 'The Columbian Exchange'. The Columbian Exchange was kickstarted by Christopher Columbus's voyage to the Americas in 1492, and it resulted in significant cultural and livelihood changes for the people in both hemispheres. One of the animals introduced to the Americas during this period was the chicken. The origins of chickens in the Americas have been a subject of debate, with some evidence suggesting a pre-Columbian introduction through Polynesia, while others point to European and African introductions after 1500.
| Characteristics | Values |
|---|---|
| Origin of chickens | Descended from the red junglefowl (Gallus gallus) |
| How chickens got to the Americas | Brought by European explorers from the 1500s onwards, Dutch and Portuguese slave traders from Africa in the 16th century, and possibly by Polynesians before Columbus |
| Earliest evidence of chickens in the Americas | Archaeological site of El Arenal in coastal Chile, dated to 700-1390 AD |
| Methods for tracing the origins of chickens | Archaeology, history, linguistics, morphology, and DNA analysis |
| First use of the term "Columbian Exchange" | By American historian Alfred W. Crosby in his 1972 book "The Columbian Exchange" |
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What You'll Learn
The origins of chickens
The chicken we eat today appears to have descended from the red junglefowl (*Gallus gallus*). Chickens were likely first domesticated about 5,400 years ago in Southeast Asia, although archaeological evidence of wild chickens goes back even further, to a 12,000-year-old site in northern Thailand.
The Columbian Exchange, also known as the Columbian Interchange, was the widespread transfer of plants, animals, and diseases between the New World (the Americas) and the Old World (Afro-Eurasia) from the late 15th century onwards. It is named after the explorer Christopher Columbus, following his 1492 voyage. The Columbian Exchange was first used in 1972 by the American historian Alfred W. Crosby in his book, *The Columbian Exchange*.
Chickens were brought to the Americas by multiple routes. One of those routes was from Europe, when Dutch and Portuguese slave traders brought chickens over from Africa in the 16th century. The introduction of chickens to North America in the 1500s and 1600s shares genetic similarities with chickens from archaeological sites in Spain dating to the same period. However, the oldest route for chicken importation to the Americas appears to be through Polynesia before Columbus.
At the archaeological site of El Arenal in coastal Chile, excavators found 50 chicken bones that represented at least five different chickens. The site has been dated to 700–1390 AD, indicating that chickens arrived in the Americas at least a century before Columbus. Radiocarbon dates, isotope information, and mitochondrial DNA support the archaeological evidence of a pre-Columbian introduction of domesticated chickens to South America.
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How chickens got to the Americas
The Columbian Exchange, also known as the Columbian Interchange, refers to the widespread transfer of plants, animals, and diseases between the Americas ("the New World") and Afro-Eurasia ("the Old World") in the late 15th century. The term was coined by American historian Alfred W. Crosby in his 1972 book, *The Columbian Exchange*. The exchange of animals largely went from Europe to the New World, as the Eurasian regions had domesticated many more animals. These included horses, donkeys, mules, pigs, cattle, sheep, goats, chickens, dogs, and cats.
Chickens, in particular, were brought to the Americas via multiple routes. One route was from Europe, when Dutch and Portuguese slave traders brought chickens over from Africa in the 16th century. The introduction of chickens to North America in this manner is supported by archaeological evidence from eastern New World sites in Haiti and Florida, which suggests that these chickens share genetic similarities with chickens from archaeological sites in Spain dating to the same period.
However, the oldest route for the importation of chickens to the Americas appears to be through Polynesia prior to Columbus. This theory is supported by archaeological evidence from the site of El Arenal in coastal Chile, which has been dated to 700-1390 AD. These chicken bones are the earliest evidence of chickens in the Americas, having arrived at at least a century before Columbus. Radiocarbon dates, isotope information, and mitochondrial DNA all support the pre-Columbian introduction of domesticated chicken to South America.
Chickens are not naturally migratory, and their distribution throughout the world is directly related to human interest in the creatures. Chickens were likely first domesticated about 5,400 years ago in Southeast Asia, although archaeological evidence of wild chickens goes back even further, to a 12,000-year-old site in northern Thailand.
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European introductions of chickens to the Americas
Chickens were likely first domesticated about 5,400 years ago in Southeast Asia. Over time, cultural contacts, trade, migration, and territorial conquests resulted in their introduction to different regions of the world. Chickens were brought westward to Europe and east-southeast into Oceania.
The Columbian Exchange, also known as the Columbian Interchange, was the widespread transfer of plants, animals, and diseases between the Americas (the New World) and Afro-Eurasia (the Old World) in the Eastern Hemisphere, from the late 15th century onwards. It is named after the explorer Christopher Columbus and is related to European colonization and global trade following his 1492 voyage.
The European introduction of chickens to the Americas occurred through multiple routes. One of these routes was through Dutch and Portuguese slave traders who brought chickens over from Africa to the Americas in the 16th century. Archaeological evidence and DNA analysis of chicken bones from sites in Haiti and Florida suggest that the introduction of chickens to this area of North America occurred in the 1500s and 1600s. These chickens share genetic similarities with chickens from archaeological sites in Spain dating to the same period.
However, it is believed that the oldest route for the importation of chickens to the Americas was through Polynesia before the arrival of Columbus. At the archaeological site of El Arenal in coastal Chile, excavators found chicken bones that have been dated to 700-1390 AD, indicating the presence of chickens in the Americas before European colonization. This supports the theory that chickens were brought to South America by Polynesians, who reached the Pacific coast of the continent at least a century before Columbus's voyages.
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Transcontinental chicken dispersal
The Columbian Exchange, also known as the Columbian Interchange, refers to the widespread transfer of plants, animals, and diseases between the New World (the Americas) and the Old World (Afro-Eurasia) from the late 15th century onwards. The term was first used by American historian Alfred W. Crosby in his 1972 book, 'The Columbian Exchange'. The exchange of animals largely went from Europe to the New World, as the Eurasian regions had domesticated many more animals. These included horses, donkeys, mules, pigs, cattle, sheep, goats, chickens, dogs, and cats.
Chickens, in particular, have an interesting history of transcontinental dispersal, which has been studied using ancient mitochondrial DNA signatures. Unlike other animals such as monkeys, chickens are not naturally migratory. They have small home ranges and cannot fly or swim well. Therefore, their distribution across the world is directly linked to human interest in them. Chickens were likely first domesticated about 5,400 years ago in Southeast Asia, and archaeological evidence of wild chickens dates back to a 12,000-year-old site in northern Asia.
There are several proposed routes for the transcontinental dispersal of chickens. One route was from Europe, when Dutch and Portuguese slave traders brought chickens from Africa to the Americas in the 16th century. Archaeological evidence from sites in Haiti, Florida, and Spain supports this route. Another route was through Polynesia prior to the arrival of Columbus, with genetic similarities found between chickens in the Pacific and pre-Columbian chickens in Chile.
The Romans in the early first millennium, European explorers from the 1500s onwards, and poultry fanciers in the 1800s also played a role in the transcontinental dispersal of chickens. The global dispersal of chickens has made it challenging for researchers to use modern DNA evidence alone to determine their origins, requiring additional research into specific episodes of chicken dispersal and historical records.
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The Columbian Exchange
European introductions of domestic chickens from Europe and Asia to mainland Americas are well-documented after AD 1500. Dutch and Portuguese slave traders brought chickens over from Africa to the eastern New World in the 16th century, as evidenced by archaeological chicken bones from Haiti and Florida, which share genetic similarities with chickens from Spain during the same period.
However, the oldest route for the importation of chickens to the Americas appears to be through Polynesia before Columbus. At the archaeological site of El Arenal in coastal Chile, excavators found chicken bones dated to 700-1390 AD, suggesting that chickens arrived in South America at least a century before Columbus. Isotopic information and radiocarbon dates support the Polynesian origin of these pre-Columbian chickens.
The introduction of chickens to the Americas had economic and nutritional implications, as they provided a new source of food and contributed to the translocation of animals across geographical boundaries.
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Frequently asked questions
The Columbian Exchange was the widespread transfer of plants, animals, and diseases between the Americas (the New World) and Afro-Eurasia (the Old World) in the late 15th century. It is named after the explorer Christopher Columbus, who first made the voyage in 1492.
Chickens arrived in the Americas by multiple routes, including from Europe and Africa. Dutch and Portuguese slave traders brought chickens over from Africa in the 16th century. There is also evidence of chickens in Polynesia prior to Columbus.
Other animals introduced to the Americas during the Columbian Exchange include horses, donkeys, mules, pigs, cattle, sheep, goats, dogs, and cats.
The Columbian Exchange had a significant impact on the cultures and livelihoods of people in both hemispheres. It led to the spread of plants such as potatoes, maize, tomatoes, and tobacco around the world. It also resulted in the transfer of diseases, causing an 80-95% reduction in the Indigenous population of the Americas due to smallpox, measles, whooping cough, chickenpox, and more.
Chickens are believed to have first been domesticated about 5,400 years ago in Southeast Asia. However, archaeological evidence of wild chickens dates back to a 12,000-year-old site in northern Thailand.
