Following literary devices/figures of speech have been used in the poem The Duck and The Kangaroo:

1. Alliteration: It is the use of the same sound at the beginning of words that are close together. e.g. “Good gracious! how you hop!”, “I would sit quite still, and say nothing”, “This requires some little reflection”, “But to balance”, “dear duck”.
2. Repetition: It is the repetition of words or phrases in the poem for poetic effect e.g. “Said the Duck to the Kangaroo“.
3. Enjambment: It is the continuation of a sentence or clause across a line break. e.g.
   “My life is a bore in this nasty pond,
   And I long to go out in the world beyond!
   I wish I could hop like you!’
   Said the Duck to the Kangaroo.”
   This sentence continues to four lines.

Read summary of this poem.