Compared to mammals, birds seem to have this jerky, almost robotic quality to the way they move. I was wondering if there’s any explanation for this
In: 1836
White meat animals are twitchy and dark meat animals are “normal”. I don’t know the science behind this because I am only 4.
I believe different specie of animals perceive time entirely differently than humans. Google it, pretty fascinating
White meat animals are twitchy and dark meat animals are “normal”. I don’t know the science behind this because I am only 4.
White meat animals are twitchy and dark meat animals are “normal”. I don’t know the science behind this because I am only 4.
I believe different specie of animals perceive time entirely differently than humans. Google it, pretty fascinating
I believe different specie of animals perceive time entirely differently than humans. Google it, pretty fascinating
In addition to this “fine” movements require more resources and so there is no point in having them where they are not needed. You need more nerves innervating the muscles to have more control over how they move. For example in humans we have many more nerves going to our hands and face muscles than our leg muscles. As a result we can make very fine movements with our hands and facial muscles but our legs are much more jerky. If we had the same amount of fine motor control in our legs we’d need more nerves, larger brains and we’d use up more energy.
We have strong evolutionary pressures for fine hand and face motor control but our legs dont need it. Birds have no reason for fine motor control, they dont use facial expressions, or use their extremities for fine movements or complex tasks. It would be extra energy expended for no good reason.
In addition to this “fine” movements require more resources and so there is no point in having them where they are not needed. You need more nerves innervating the muscles to have more control over how they move. For example in humans we have many more nerves going to our hands and face muscles than our leg muscles. As a result we can make very fine movements with our hands and facial muscles but our legs are much more jerky. If we had the same amount of fine motor control in our legs we’d need more nerves, larger brains and we’d use up more energy.
We have strong evolutionary pressures for fine hand and face motor control but our legs dont need it. Birds have no reason for fine motor control, they dont use facial expressions, or use their extremities for fine movements or complex tasks. It would be extra energy expended for no good reason.
In addition to this “fine” movements require more resources and so there is no point in having them where they are not needed. You need more nerves innervating the muscles to have more control over how they move. For example in humans we have many more nerves going to our hands and face muscles than our leg muscles. As a result we can make very fine movements with our hands and facial muscles but our legs are much more jerky. If we had the same amount of fine motor control in our legs we’d need more nerves, larger brains and we’d use up more energy.
We have strong evolutionary pressures for fine hand and face motor control but our legs dont need it. Birds have no reason for fine motor control, they dont use facial expressions, or use their extremities for fine movements or complex tasks. It would be extra energy expended for no good reason.
A lot has to do with size, predatory hierarchy. small mammals are also very twitchy. if you watch a mouse or a chipmunk you see them constantly looking around, and when they move they dart from one spot to the next then pause and look around. if you look at the larger, less predated birds they have less twitchy movements, not to say they never have fast movements but less. you can watch Eagles and Owls perched slowly surveying the area.
most birds are on the smaller side of the scale meaning a lot of animals can prey on them so they have to be very alert for danger. the less that can kill you the less you have to be afraid of and the less likely you are to prepare to flee at every slight sound you hear.
Latest Answers