This could be the result of evolution. The ability to pick out camouflaged creatures against a similar background would aid survival. The other day I noticed a similar effect that allowed me to identify a flock of almost-concealed birds feeding. Log in to Reply
This could be the result of evolution. The ability to pick out camouflaged creatures against a similar background would aid survival. The other day I noticed a similar effect that allowed me to identify a flock of almost-concealed birds feeding.