If you notice, there are unique things, here, from the way chickens and some birds, such as pigeons.
When walking, it appears that their heads will move from front to back continuously during walking.
Apparently, walking with a head that is always moving is a unique feature that is owned by about eight of 27 bird families, lo.
Let's find out, why chicken and some other bird species will move their heads back and forth while walking!
Some birds only move their heads forward, while their bodies will 'chase' their heads moving forward, then this movement will be repeated.
When birds move, their heads and eyes will be locked or in place, while their bodies will move forward, which makes it look as if the head is moving back and forth.
This is what makes the illusion as if the head of a chicken or a dove moves back and forth as they walk.
If chickens and birds can see clearly if their heads move back and forth, these head and vision movements are not interconnected in some animals.
This is derived from nature in animals, which have movements between the eyes and the part of the brain that tracks the movements and rotation of the eye.
In addition, in some species of birds such as ducks and geese, they do not move their heads because they are related to the length of their feet and steps.
The legs of a goose and duck which are shorter than a chicken make these two types of poultry so it's easier to see the ground surface and the objects around it.
To be able to capture the objects that are around us, the human eye will move right, left, up, or down.
But in chickens and pigeons, their heads will move to get a clearer view. Well, actually it's not their heads that move back and forth
Whereas in chickens and several other types of poultry, their eyes cannot move in their eye sockets, so the movement of the head to capture clearer images becomes necessary.
But different things happen if a pigeon or chicken is on a sports tool in the form of a moving treadmill.
Because the surrounding objects become like moving, they will not move their heads to be able to see objects or objects that are around them.
Well, quoting from the Wired website, moving their heads back and forth can help chickens to make their views more stable to various objects.
Movement of the head back and forth is useful for photoreceptors, namely the part of the eye that is in charge of capturing or receiving light stimulation.
This back and forth movement will give the photoreceptors time to build a clearer view of the surrounding objects.
In comparison with human vision, the human eyeball will move to be able to know the objects that are around it. Not moving the head.
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