[candiodari]

He neglects to mention that those sensors eagles use have their own limitations. They have zero peripheral vision. It's like having strong binoculars glued to your eyes.

This has consequences. It takes them forever to find anything, even if they can do it from great distances. They are blind for several seconds when they change position (such as when they just caught prey), or just generally at short range.

And you can try this with cats: this makes it very easy to sneak up on them. No peripheral vision, directional hearing ... if they're focused in front of them, you can almost just walk up to them from the back, they won't notice.

These things are tradeoffs. Humans are prey species, pack hunters. If a human is paying attention you can't really hope to sneak up on them. One human is easy to take down. But 10 humans will defend each other effectively.