Fairy Eggs: My Chicken Laid What!?

Holding a fairy egg between 3 fingers in front of a wooden table
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Have you found a miniature egg in your hens’ laying box? Don’t panic! These are called fairy eggs and can happen for many different reasons. Most of the time, they are nothing to worry about and are just a fun surprise from time-to-time.

In this article we’ll discuss what fairy eggs are exactly, how they are made and answer all of your burning questions. Don’t miss the bonus section on my best tips for encouraging healthy laying in your flock.

Let’s jump in!

Fairy Eggs: What Are They?

Fairy eggs are simply tiny eggs that occur as a “misfire” in the hen’s reproductive system. It usually starts with a tiny piece of reproductive tissue breaking off and triggering the egg-producing glands to think it’s a yolk coming down the oviduct. Thus, a small amount of egg white is added, followed by the shell as it passes on through.

The hen’s reproductive system

I’m definitely a visual learner, so let’s start by taking a peek at a hen’s reproductive system to get a better idea of what’s going on.

A diagram showing the hen's reproductive system

The egg’s entire journey takes about 25 hours and travels roughly 25 inches before it’s plopped into the laying box. It all starts with the hen’s single ovary releasing a yolk about 1 hour after the previous egg was laid. Once the yolk enters the oviduct, the magic starts to begin!

First, the yolk is fertilized with a rooster’s sperm (if available), then surrounded by albumin (egg white) and further supported by shell membranes. About 5 hours have passed so far, but we’re not done yet! Next, the shell is added and pigmented and this takes a whopping 20 hours!

Lastly, the protective bloom coating is added to the outside of the shell before expelling it through the cloaca to exit through the vent. This bloom coating is essential for keeping the egg “fresh” for weeks to come. I never wash my eggs for this reason. The Chicken Chick does a fantastic job explaining the hen’s reproductive system more in detail with some great photos and videos if you want to learn more!

What’s inside a fairy egg?

Typically, there is no yolk inside fairy eggs. Most of the time you’ll find that a small piece of tissue that triggered the creation of the fairy egg in the first place, or just some basic egg white. You might occasionally find a little smear of yolk as well. It’s always a fun surprise to see what you’ll find in there! Below is a photo of what was inside my most recent fairy egg. Just a small piece of tissue.

An opened fairy egg in a white small dish

Can you eat fairy eggs?

Absolutely! There is nothing toxic or inedible about fairy eggs. I personally like to remove any reproductive tissue, if present. However, the tissue is completely edible if you chose to consume it all. 

If you are weirded out by the concept altogether, your dog will love it! Another option is to scramble it up and give it back to your chickens. They actually love scrambled eggs, as counterintuitive as that sounds.

Why Do Hens Lay Fairy Eggs?

There are several different reasons why hens can lay fairy eggs, but sometimes they just happen for no reason at all!

Eggs in a row on a counter top with a small fairy egg in the middle

  • She is a pullet (young hen) in her first month or two of laying so her reproductive system is still getting up to speed. This is completely normal! 
  • She is an older hen who’s reproductive system is worn down and not firing on all cylinders.  
  • The hen is stressed from overcrowding, a predator attack, too many roosters, high temperatures, etc.
  • Insufficient nutrients in the diet, especially calcium or protein.
  • Illness or pests (mites, lice, etc.). My favorite time to check for this is while my hens are roosting at night. They are much easier to catch and handle, plus some of the pests come out at night.
  • Oopsies! Sometimes, fairy eggs just happen for no reason at all!

Should I Be Concerned About Fairy Eggs?

If you randomly find 1 fairy egg, I would just consider this a random “misfire” and revel at the treasure that you found! However, if this becomes a repeat issue, then I would do a thorough flock inspection for any signs of stress, disease, malnutrition, etc.

How to Encourage Healthy Laying

Chickens really are pretty simple creatures – they don’t need much! Here’s a few things to ensure in order to encourage healthy laying in your flock of hens:

Calcium

Calcium is the essential nutrient for creating strong eggshells. Layer feed should be offered to hens once they reach 18 weeks old, or start laying. Layer feed should contain adequate amounts of calcium to support egg laying, however, I always provide supplemental calcium as well.

Oyster shell is the most common form of calcium and can be set out in a separate dish for your hens to pick and choose as she desires. If your entire flock is on starter or grower feed during the summer months while integrating new chicks, then you absolutely should be offering supplemental oyster shell.

The Homesteading RD's Product Picks:

If you have a smaller flock (5-10 hens), then this is a great size to buy! I used to buy this one when I was first starting out with a small flock.

If you have a larger flock (15+ hens), I'd recommend this one! This is the one that I buy and my hens love it. I've tried other bulk brands, but this is by far the best and favorite of my hens.

Protein

Adequate protein is also important not only for the hens’ overall health, but for producing eggs. Most commercial laying rations should provide adequate protein, but if you are mixing your own feed make sure to provide 16-18% protein. If your hens free range, know that they’ll likely get an extra boost of protein from the bugs, worms, frogs and mice (yes, mice!) that they find along their day.

Stress

This is huge! We all know what stress feels like, and it doesn’t feel good. Funky things start happening when we’re stressed, and then same goes for chickens. Stress can come from too many roosters, predator attacks, too few laying boxes, periods with no food/water, extreme temperatures, pests (mites, lice, etc.) or illness. If you start to notice a reduction in laying or funky looking eggs, search around for potential stress triggers.

Up your chicken-keeping game

Below are my favorite 2 chicken books that I keep coming back to time after time. Everything you’ll ever need to know are in these two books!

The Homesteading RD's Product Picks:

This is THE chicken book to have! I've had my copy since the beginning and it's the one that I keep going back to time after time. It provides everything you need to know from coop design, hatching chicks, layer nutrition, and much more! There is some health information, but I'd recommend the book below for comprehensive health information

After a few health scares in my flock, I quickly purchased this book and it has been a lifesaver! Anything that could potentially come up in your flock is addressed in this book with practical solutions. Worth every penny!

Other Names for Fairy Eggs

Fairy eggs have been called many different things throughout the ages. Here’s the most common ones you’ll hear people say. Personally, my favorite is fairy egg. It just adds to the cute and mysterious factor of these adorable miniature eggs!

  • Cock egg
  • Fairy egg
  • Fart egg
  • Rooster egg
  • Wind egg
  • Witch egg

Superstitions and Folklore

I love history, so let’s nerd out together for a few minutes! Back in the middle ages, it was believed that these tiny eggs were laid by roosters and thus, called “cock eggs.” In fact, a rooster even went on trial in 1474 for “the heinous and unnatural crime of laying an egg” and was sentenced to burning alive on the stake. Not kidding! These types of trials and accusations continued well into the 1700’s.

Why so much fear around cock eggs? It was “well-known” that mythical beasts such as the cockatrice or basilisk would emerge from these eggs if hatched! To prevent this from happening, an individual was instructed to toss the cock egg over their house (without touching the roof) so that it smashed on the other side. Then, everyone would be safe from mass destruction.

A drawing of a dragon in mist

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Conclusion

Well, this was a fun one! I hope you enjoyed learning about all things related to hen’s reproductive systems, why fairy eggs happen and even a little dragon tale.  The next time you find a fairy egg, do a quick flock check to make sure everyone is healthy, but don’t forget to enjoy how cute they are!

*Information in this article was referenced from personal experience and/or from my favorite chicken books Storey’s Guide to Raising Chickens and The Chicken Health Handbook, unless otherwise noted.

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20 thoughts on “Fairy Eggs: My Chicken Laid What!?”

  1. I love that we call them fairy eggs! There’s something so adorable about that. Chickens are always a learning experience, but they’re wonderful critters.

  2. When I saw your fairy egg video on Instagram, it sparked great interest. Never heard of fairy eggs;
    They are about the size of quail eggs. When I was in Jamaica, I raised a lot of common chickens and never experience this reproductive defect in my chickens. I am surprised the fairy eggs do not have any yoke. Thanks for sharing the picture.

  3. How interesting! I’ve never heard of or seen a fairy egg! Thanks for the information! When we DO get chickens, this won’t scare me….as much. lol

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