RUMORED BUZZ ON CAT

Birds have acute eyesight—raptors (birds of prey) have vision eight moments sharper than humans—due to larger densities of photoreceptors during the retina (nearly 1,000,000 per square mm in Buteos, when compared with 200,000 for human beings), a higher variety of neurons from the optic nerves, a 2nd list of eye muscles not located in other ani