Summary ²

The chicken (Gallus gallus domesticus) is a type of domesticated fowl, a subspecies of the red junglefowl. It is one of the most common and widespread domestic animals, with a population of more than 19 billion as of 2011. Humans keep chickens primarily as a source of food, consuming both their meat and their eggs.

Sources and Credits

1. (c) User:Avjoska, some rights reserved (CC BY-SA), http://commons.wikimedia.org/wiki/File:Kodukana.JPG
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Gallus_gallus_domesticus

More Info

• iNat taxon page
• Animal Diversity Web
• Atlas of Living Australia
• Biodiversity Heritage Library
• BOLD Systems BIN search
• CalPhotos
• Global Biodiversity Information Facility (GBIF)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• NBN Atlas
• VertNet
• Xeno-canto
• 日本のレッドデータ検索システム

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