I am really sorry that you have had so many dogs in your life and yet not been able to truly appreciate what they are capable of, and have not known them in the sincerely meaningful way that I have.
Animals have relied on ESP for survival since day 1. There once was a time when humans did the same, but as time went on and we learnt to value only that which we could rationalize with our minds, we lost touch with our sixth (and even seventh) sense. But it is still there, latent. Everyone has it. Even those who are unwilling, or unable to realise it.
Is there any real, tangible evidence for God? Doesn't mean God doesn't exist. Just because Science can't explain something, doesn't mean it isn't real. Just means that Science can't explain it - yet!