Which Came First: the Chicken or the Egg?

Eggs have been around since fish evolved, long before birds in general and chickens specifically.

Eventually, a bird that was very much like a chicken laid an egg, and a chicken hatched out of it. There might be some quibbling over exactly where in the evolutionary line is the division between “chicken” and “not-chicken,” but no matter how you slice it, the egg was there ahead of time.

Playing Deviled Eggs’ Advocate

So we are pretty much 100 percent convinced by the above argument. But it’s worth mentioning that, depending on how you look at it, you might be able to say that the chicken really does come before the egg. According to researchers at Warwick and Sheffield universities, chicken eggs rely on a specific protein found in chicken ovaries to form.

Basically, that means that any individual chicken egg we come across today had to have been through a chicken at some point, so in that sense, the chicken was first. But if we’re talking about the concept of chicken eggs in general, we feel like the egg is the solid winner. After all, are you really going to disagree with Neil deGrasse Tyson?


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