Why Can’t Chicken Fly?

Why chicken can not fly?

Why chicken can not fly?

Back when we were little kids, may have heard the tale of chickens who can not fly. It has been told that the chicken can not fly because the chicken was very arrogant and acts fraudulent when the flying race with an eagle being held. In short, the chicken then struck by lightning and punished by God, so the chicken can not fly as before. Well, this is actually an interesting tale, but we are now going to see scientific reason why chickens can not fly even though chicken has wings.

Viewed from the scientific side, chicken has feathers and wing structure which are different from birds. Chicken has disproportionate wings size comparison (when unfolded) on body weight and body size. In the other words, the body of chicken is too large and too weighed compared to the size of the wings, so even with strong muscles, the chicken still can not fly. It is different when compared to birds that have wide wing structure, the arrangement of feathers density and strong wings, as well as the small body size and relatively light weight.

Some birds also have small wings size, for example, a hummingbird. However, the vibration of hummingbird’s wings is so fast so can not be seen by human eye. If chicken can flapping wings as fast as a hummingbird, chicken may also be able to fly like a bird. Unfortunately, the chicken’s feathers is not strong enough and will fall out easily, so it will be a lot of fall out feathers when flapping at high speeds. This is because the chicken was not designed specifically to be able to fly. Well, that’s the reason why chickens can not fly even though chickens have wings.

The fact is not all the chickens can not fly. There’s also a chicken that able to fly, namely guinea fowl and partridge. So, it is not all the birds who have wings can fly and not all chickens can not fly.



Arrogant is an adjective for describing people who are too proud and look down on other people.


fraudulent is intentionally false and meant to harm or deceive.


struck means affected by something overwhelming.


the flash of light that accompanies an electric discharge in the atmosphere. see: How does lightning occurs?


punished means subjected to a penalty (as pain or shame or restraint or loss) for an offense or fault or in order to coerce some behavior (as a confession or obedience)


feather is the light horny waterproof structure forming the external covering of birds


disproportionate means out of proportion


muscles is animal tissue consisting predominantly of contractile cells


arrangement means the spatial property of the way in which something is placed


density describes how compact or concentrated something is.


hummingbird is tiny American bird having brilliant iridescent plumage and long slender bills; wings are specialized for vibrating flight


vibration is a shaky motion


flapping is the motion made by moving wings up and down

guinea fowl 

guinea fowl is a west African bird having dark plumage mottled with white; native to Africa but raised for food in many parts of the world


partridge is heavy-bodied small-winged South American game bird resembling a gallinaceous bird but related to the ratite birds

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By English Kid Zone