Top 7 Birds that Lay Blue Eggs

It is so surprising to see there have various colors’ of eggs, and the blue eggshell isn’t common at all. They are rare and a few birds lay blue color of eggs. Today, here we try to show you what birds lay blue eggs. You also can know why some eggshell appears blue. Where they live and more details which will make you surprised.

Funny Facts

Eggshells may be a rainbow of hues from white, cream, buff, and tan shade to lavender, mint green, blue-green, yellow, gray, pink, and pink. Eggs can be plain, and they can have markings in different colors like red-brown, deep purple, black, gray, or green. Spots, specks, splotches, blotches, and squiggles can be marked on eggs and add to their color variations.   

Birds That Lay Blue Eggs

In the world, some birds actually lay different colors of eggs that may wonder you when you know them. Some names may be unknown to you, which will be interesting to you. Let’s see what bird actually laid blue eggs.

American Robin

When the female bird is laying the eggs, she deposits a pigment known as biliverdin onto the eggshells, and for this reason, the robin’s eggs are blue. The evidence says that the color of the eggs is brighter when the biliverdin levels become higher.

The American robin lays a clutch of between 3 to 5 lighter egg blue or sky blue eggs. The eggs are between 2.8 to 3 cm and wide, around 20 cm.

Female robins lay blue eggs, which are healthy, encouraging males to be present and involved with their youngness. The biliverdin color gives Robin’s eggs blue and nice sheen and delivers the eggs its mark blue stamp.

Next time you will be wandering in the garden and mark a robin attempt to be pretty calm and see if you can dot the robin’s eggs.

Eurasian Blackbird

The common Eurasian blackbird also lays blue eggs. They lay their eggs normally from March to July, and at a time, they lay 3 to 5 eggs. The eggs are bluish green in color and red specks. The average width of an egg is 22mm, and the length is 29 mm. 

Song Thrushes

The song thrush lay 4 to 5 glossy light blue eggs, which are also spotted black and purple in color on the eggshell. The average width of the bird eggs is around 21 mm, and the length is 27mm.


Dunnock birds are often similar to appear with the House Sparrow. You can see them in woodland edges, gardens, parks, and hedgerows. It is a relatively very small size bird, and they eat small insects, worms, and seeds. Male dunnock and female one will are paired for a new life, and the female can mate with other male birds.

The mother bird lays blue eggs and a clutch of four to five eggs at a time. The colored eggs are smooth and have glossy blue tones that have reddish spotting. They are around a width of 14mm and 19mm and are very small eggs and lighter colored eggshells.


The starling birds look dark from afar, but they have a nice sparkling plumage when you see them up to very close. They can lay a clutch of 2 to 9 eggs over several days. The eggs are white to pale ice blue or blue green. Every egg is small in size, where the width of an egg is 21mm, and the length is 30mm.


Magpie birds are very common birds in the whole UK. The egg size of this bird is similar to a blackbird’s eggs. The birds eggs of it look bluish-green, and the eggshells have some speckled eggs. Sometimes they may make nest in your house and lay eggs. Then it’s necessary to remove them without harming. The width of an egg is around 24 mm, and the length is 35 mm, which is pretty larger eggs than the blackbird’s eggs.

House Finches

Let’s see how they look! The adult house finch’s tail has a square-tipped brown color and is pretty long. They are dullish brown in color on the back and have grey wing features. The flanks are streaked, as are the breasts and feathers. The adult female has streaked under portions, and their upper parts are brown.

The female house finch lay pale blue green eggs with speckling, and they will use nest boxes to keep their eggs. They can lay eggs about 4 to 5 at a time, and the laying time is the last of March to July; this situation also depends on the location.

The eggs size is between 16mm to 21mm in length, and the width is between 13mm to 15mm.

Interesting fact: Of all the birds in North America, the house finch family has a vegetarian diet that consists of 97% vegetable matter.       

Some Other Birds Lays Small Blue Eggs

You may have already known that some more birds lay blue eggs aside from bluebirds. Though those in North America, such as the Eastern, Mountain, and Western Bluebird, can lay pale or bright blue eggs or whitish white eggs, you aren’t likely to find those eggs very fast. 

They are hollow nesters and can very hardly ever lay the eggs outside of a hole except while desperate. About 4 to 5 percent of bluebirds actually can lay white eggs. But hundreds of other birds lay blue eggs. We have already spoken about them like American robins, House Finch, and Starling. Aside from them, you just see some more birds at a glance below:

  • Red-winged blackbirds
  • Blue Mockingbird, Blue Grosbeak, and Blue-gray Gnatcatcher
  • Gray Catbirds
  • American, Hawaiian, and Fish Crow
  • Snowy Egret
  • American and Lesser Goldfinch
  • Oriental Greenfinch
  • Common Myna
  • Blue Heron
  • Aztec, Clay-colored, Dusky, and Wood Thrush
  • Blue Jays
  • Goldfinch
  • Olive and Yellow Warbler
  • Eastern, Western, and Mountain Bluebirds
  • Snowy egrets

Wrap Up!

Seeing the blue eggs will be a wonder for you at first! But since you have figured out so many types of birds lay blue eggs. It is the ordinary color for their offspring. Hopefully, you got this post on what type of birds lay blue eggs interesting. If you get the blue eggs in any yards, let us know about it in the below comment box. Your perfectly optimized content goes here!

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