Final answer:
The poem 'Night's Silent Flight' centralizes on the mysterious aura and influence of an owl at night, highlighting the theme of nocturnal creatures and their silent, powerful presence in nature.
Step-by-step explanation:
The central theme of the poem Night's Silent Flight is the portrayal of an owl's presence in the nighttime, which captures the essence of nocturnal creatures and their environment. The poem goes beyond merely describing the owl's physical characteristics; it delves into the influence of this nocturnal predator's silent flight on its surroundings and the sense of death its call invokes in other creatures of the night, such as bats and mice. The description of the owl's flight creating a 'breath-holding stillness' and the reaction of the creatures around it to the owl's haunting call are evocative of the mysterious and powerful presence that nocturnal creatures have in the natural world.