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--- chickens [2020/11/23 13:14]
rapidplatypus created
+++ chickens [2021/06/14 03:05]
aga
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 ====== Chickens ======
+==== Loud crowing ====
+Roosters are famous for their loud crowing, which is around 100 decibels on average. Some are even capable of crowing over 140 decibels, which is loud enough to inflict permanent hearing damage. To avoid deafening themselves, roosters developed a sort of built-in earplug: When their beaks are fully open, their auditory canals become completely blocked off. [([[https://www.discovermagazine.com/planet-earth/roosters-have-special-ears-so-they-dont-crow-themselves-to-deaf#.W1xn4dhKjq0|Discover Magazine]])]
+==== Ayam cemani ====
+There is a rare breed of chicken from Indonesia that is completely black, including feathers, beaks, and organs, due to discoloration. They can be purchased for $2,500 and more. [([[https://www.vice.com/en/article/vvxapx/indonesias-jet-black-chickens-are-the-dark-side-of-poultry|Vice]])]
+==== Laid in the morning ====
+Most eggs are usually laid in the morning between 7 and 11 am. [([[https://animals.mom.com/time-hens-usually-lay-1287.html|Animals]])]
+==== Chicks, hens and roosters ====
+Baby chickens are chicks. Female chickens are hens from the time they are old enough to lay eggs. Male chickens are called roosters. [([[https://www.smithsonianmag.com/science-nature/14-fun-facts-about-chickens-65848556/|Smithsonian]])]
+==== 24 vocalizations ====
+Chickens communicate with more than 24 vocalizations, each with a different meaning, including alerting friends to different types of predators or letting mothers know if they are feeling well. [([[https://www.humanesociety.org/news/who-you-calling-birdbrain|Humane Society]])]
+==== Genome sequenced ====
+The chicken is the first bird discovered to have its genome sequenced, allowing poultry farmers to more easily identify the most productive strains. [([[https://www.genome.gov/12514316/2004-release-researchers-compare-chicken-human-genomes|Genome]])]
 {{tag>Animals Birds}}
-Roosters are famous for their loud crowing, which is around 100 decibels on average. Some are even capable of crowing over 140 decibels, which is loud enough to inflict permanent hearing damage. To avoid deafening themselves, roosters developed a sort of built-in earplug: When their beaks are fully open, their auditory canals become completely blocked off. [([[https://www.discovermagazine.com/planet-earth/roosters-have-special-ears-so-they-dont-crow-themselves-to-deaf#.W1xn4dhKjq0|Discover Magazine]])].

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