In open glades, peacocks preen, and shy, tiny barking deer, no taller than the peacocks, race away at an intruder's approach.
In open glades no wildlife exists to be scared of intruders. 
mnli hypothesis: In open glades no wildlife exists to be scared of intruders.  premise: In open glades, peacocks preen, and shy, tiny barking deer, no taller than the peacocks, race away at an intruder's approach.