It is imperative that they can hear approaching predators. Hearing well is very important to all birds. Scientists are very interested in learning more about this special adaption and in being able to apply it to help humans with hearing loss. Unlike humans, who experience hearing loss as they age, chickens are able to regrow damaged hearing cells. They are able to harness sound waves and send them to the inner ear. They have eardrums and an outer ear, middle ear and inner ear. The more green veggies in the diet, the deeper the color of the yolk.Ĭhickens have two ears on each side of their head. The color of the yolk is determined by the hen’s diet. No matter what color the outside of the egg is, the inside will all look similar. The darker the brown pigment, the more olive color the egg will look. In order to create a green colored egg, a brown pigment overlays a blue egg shell. This pigment only stays on the top of the shell. This pigment permeates the eggshell resulting in both the inside and the outside of the shell being blue.Ĭhickens that lay brown eggs deposit the pigment protoporphyrin on the eggs while they are forming their shells. Ameraucanas have the pigment oocyanin deposited on the egg as it travels. The shell itself takes 20 hours to complete. This journey takes about 26 hours until the egg is laid. Those that are other shades have pigments deposited on them as the eggs travel through the hen’s oviduct. You can’t correlate earlobe color and egg shell color because one is not based on the other.ĭepending on the breed, a hen will lay about 500 eggs in her lifetime. Earlobe color is based on breed genetics as well. Some Americanas have white earlobes and lay blue eggs. Penedesencas have white earlobes and lay dark brown eggs. Araucana have red earlobes and lay blue or green eggs. Unless you have a mixed chicken, the birds will lay true to their breed. Chicken breeds which have white earlobes with a pearly iridescent shine such as a cream legbar, lay blue eggs.Įggshell color is definitely based on breed. Silkies have turquoise earlobes and lay a cream colored egg. Some red earlobed birds lay greenish or blue eggs. We know that there are many exceptions to this. If they have red earlobes they will lay brown eggs. Popular folklore says that if a chicken’s earlobes are white, they will tend to lay white eggs. It is a slight thickening of the skin and is smooth with no feathers.īirds are the only animal that lay colored eggs. They do not stick out like most animals do. But did you realize that a chicken’s earlobes are different colors as well, and that some people can make guesses as to what color egg a certain hen will lay based on her earlobe color.Ī chicken’s ears are located on each side of its head, just below its eyes. White, cream, tan, pink, blue, green, brown and speckled. Chickens lay a rainbow of colors when it comes to egg shells.
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