The title ,twilight calm suggests a state of being for twilight. how does the authors choice of words in the poem support his view of twilight?

The idea of twilight being a calm time, as the title suggests, is present many times throughout the poem. The very first line of the poem uses the word "pleasant" to describe this time of day, beginning with the idea of a nice, calm evening. The speaker describes the animals being done with their work, and many animals "sitting" or "settling" for the evening. All of these words give the reader an image of a day winding down and calming down at twilight. 

Found him! the panda is in the middle to the right