Originally Posted By: hikermor
I recall that one of the successful cougar attacks was inflicted on a runner. Haven't I heard that running triggers the prey response in predators?


That is correct. The simplest form to see this is with a dog (though domesticated, is still a predator). Walk by a dog, he may have no inclination to follow you. Run by this same dog, his predatory instincts triggers the prey response and will now chase after you.
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock