Wildlife in wilderness areas are very aware of their surroundings. Any disturbance within their sensory range will evoke an instant reaction.
The secret to remaining neutral, is to lower your energy signature by controlling your emotional state. Your excitement will trigger a flight response in all the wild ones. Unless of course your photographing a chipmunk; Those little creatures know they are cute and use it to their advantage.
I always try to carry a camera with me when I am out and about. This is simply to ensure I have the ability to capture the moments when one of the wild ones decides to make an appearance.
This video displays some of those random moments when I have been wandering and a denizen of the forest allows me to share it's space for a few fleeting moments.
I am not a photographer, most of my digital captures don't merit a second glance; but, they do rekindle memories which allow my spirit to wander when my body is trapped in the world of humans.