What does it mean when scientists say “an eagle can see a rabbit in a field from a mile away”. Is their vision automatically more zoomed in? Do they have better than 20/20 vision? Is their vision just clearer?

Question

What does it mean when scientists say “an eagle can see a rabbit in a field from a mile away”. Is their vision automatically more zoomed in? Do they have better than 20/20 vision? Is their vision just clearer?

In: Biology

Answer 1

I also think animals see movement more easily that we do. If a rabbit is stone still, I don’t know that it would be noticed. Once it moves around, it gives the predator something to focus in on and *then* they can more easily see the rabbit