THE SMART TRICK OF BIRD THAT NO ONE IS DISCUSSING

Birds have acute eyesight—raptors (birds of prey) have vision 8 times sharper than human beings—owing to larger densities of photoreceptors from the retina (up to 1,000,000 for each sq. mm in Buteos, in comparison to 200,000 for human beings), a superior quantity of neurons while in the optic nerves, a 2nd list of eye muscles not located in oth