How exactly do light particles and sound waves work, and how is it that some animals manage to hear/see further than others?

Question

How exactly do light particles and sound waves work, and how is it that some animals manage to hear/see further than others?

In: 8

Answer 1

With sight, some creatures have bigger eyes, while animals like birds tend to have retinas jam-packed with light-sensitive cells. The retina of a bird is much, much more densely packed with detectors than a human eye; if I recall, an eagle can spot a mouse on the ground from 1/4mi up.