The blue color is created by oocyanin, which is applied early in the laying process. The blue pigment goes right through the shell, unlike the brown pigment. So blue eggs are blue inside and out.

Specifically, it changes the chemistry of the eggshell so that it can take in biliverdin, a bile pigment, from the chicken’s uterus. And not necessarily harmful; blue eggs are widely eaten and the Araucana, in particular, is a very popular exotic chicken breed.

But some breeds of chicken produce blue or green eggs. The blue color is caused by insertion of a retrovirus into the chicken genome, which activates a gene involved in the production of blue eggs. The Araucana, a chicken breed from Chile, and Dongxiang and Lushi chickens in China lay blue eggs.

There are several breeds of chicken that lay blue eggs. The best-known of these breeds are the Cream Legbars, Ameraucanas, and the Araucanas. Mixed-breeds descended from any of these can also lay blue eggs.

We’ve also seen people look at our brown and blue eggs and ask how they taste. Regardless of these common beliefs, the short answer is no. All chicken eggs are made the same on the inside. Egg tastes only change because of a hen’s diet and the egg’s freshness.

Brown eggs: caused by protoporphyrin IX, from the hen’s haemoglobin, and is coated on the outside of the egg as it moves through the oviduct. Blue eggs: have the pigment oocyanin, which does permeate the shell, so the blue colouring will be all the way through.

Self Blue is the term used to describe a blue color in poultry that does genetically breed true. Usually, when a breed is genetically self blue, it will be described as a lavender-colored breed.

American Robin Bird Eggs The spotless, bright blue-green eggs in the American robin’s mud-lined nest are a sure sign that spring has arrived in North America—and sometimes they appear before the season itself.In places where trees are very sparse, robins may nest on the ground.

House Finches lay eggs that are bluish-green, and sometimes use a nestbox. See more photos. Starlings also lay blue eggs, but they are bigger than bluebird eggs. About 4-5% of bluebirds actually lay white eggs.

Fairburns Eggs who produce the British Blue eggs say they feed their hens on a diet that “consists of a grain mix with extracts from brightly coloured flowers” which produces a “rich tasting natural yolk”. So really it’s not the colour of the shell that makes the yolk taste better, it’s the hen’s diet.

Blue birds, robins, blackbirds, starlings, blue jays, thrushes, catbirds and dunnocks are some of the species of songbirds that lay solid blue eggs or blue eggs with brown speckles.

There are three breeds that lay blue eggs: Ameraucanas, Araucanas and Cream Legbars. The blue color is created by oocyanin, which is applied early in the laying process.

Here are the best chicken breeds for eggs. Leghorn. One of the highest egg producing chickens are Leghorns. This is the breed that most commercial farmers choose. Some might even call them the best egg laying chickens. Leghorns can lay up to 280 eggs per year.

Chickens that Lay Blue Eggs Araucanas. These are very special chickens. They lay only blue eggs and look kind of funny because they have no tail feathers. Ameraucanas. Ameraucanas was bred from the Araucana. Easter Eggers. These are kind of like a mutt version of Araucanas and Ameraucanas. Cream Legbar. This is another chicken breed that will lay blue eggs.

The eye-catching blue-green eggs are from Ameraucana chickens, which are an American bird descended from a Chilean chicken of the same name, and the darkest brown eggs, nearly the color of chocolate, are a rare breed from southwest France called Cuckoo Maran.