Charts for identifying chicken breeds are readily available online. Many farms that raise chickens have informative charts on their websites with breed specifics and other in-depth information. There are countless colorful photo charts posted by chicken enthusiasts on websites such as Pinterest.
The domestic chicken, classified by the U.S. Department of Agriculture as gallus domesticus, is believed to have originally descended from wild Indian and south-east Asian Junglefowl. Through thousands of years of farming and selective breeding, these wild birds have developed into the multitude of domestic chicken breeds we see all over the world today, bred for eggs, meat and plumage.