Ok, this entire multiple egg yolk situation has piqued my curiosity, so I've been doing some research and I'm happy to share it with anyone else interested.
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The first article I came upon as fairly recent and quite exciting. It included this photo:

And the following story:
"THIS is the billion-to-one dinner enjoyed by a south Leeds man – steak and eggs with a big difference.
The triple yolk plus a double yolk that ended up in the same frying pan were bought at Asda, Morley.
Spokesman Dominic Burch said: "I have never heard of a triple yolker before.
"We are well chuffed that this was bought at one of our stores. "There is an old saying that if you find one it means you will be lucky."
The eggs came from a batch labelled 'Big and British' and are believed to have been laid by a free-range hen.
Asda's egg expert Hannah Naseem said: "We've never heard of a three yolker before. Most people think themselves lucky if they get two yolks. It's eggstraordinary!
"We reckon this must be a one in a billion coincidence."
The lucky diner was a 62-year-old father-of-two who took the photo – but didn't want to be named.
"I was absolutely gob-smacked," he said after tucking in.
A Yorkshire connoisseur of bird eggs, Tony Christopher, said: "I haven't seen a triple yolker since I was a teenager over 40 years ago.
We bought some eggs from a farm at Sandy Lane near Bradford and one of them turned out to be a three yolker. My mother was so amazed that she brought her neighbour into the house to see it. And I am not sure I ever got to eat it!"
Double yolks occur in about one in 1,000 eggs, usually when hens are young.
* Asda at Morley sells 3m eggs a year. Asda as a whole sells 768m.
The full article contains 280 words and appears in n/a newspaper.Last Updated: 09 January 2008 3:27 PM
Link to Article~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And then I found this information from a study on the "STUDIES ON THE PHYSIOLOGY OF REPRODUCTION IN THE DOMESTIC FOWL~ VI. DOUBLE- AND TRIPLE-YOLKED EGGS"
It said: "During the last six years, more than *three thousand* different domestic fowls, which have been kept at least ONE YEAR at the Maine Agricultural Experiment Station, have laid but THREE triple-yolked eggs."
The Full Article~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lots of Fascinating information about odd eggs, including cool photos.
Odd Eggs~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Some chit chat about the odds of triple yolk eggs
Backyard Chickens~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And my blogger buddy
Ceecee did some research, too and discovered this:
"Occasionally an abnormal egg is produced when something goes wrong with this natural assembly line. Double- or triple-yolked eggs occur when two or three yolks enter the oviduct at the same time and all are surrounded by the albumen, membranes, and shell of a single egg.
Such eggs are considered rare. Records show that only
one out of every five hundred thousand chicken eggs has two yolks and one out of every 25 million has three yolks. Yolkless eggs also may occur if something prevents the yolk from entering the oviduct. In this rare case only the white gets enclosed in the shell and the egg is usually smaller. A chicken's yolkless egg will be about the size of a pigeon's normal egg."
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Wow.
I tell you what, cracking open an egg on Laughing Orca Ranch, is like opening those plastic eggs on Easter Morning. "You just never know what you're gonna get"
Life is FULL of surprises, isn't it?