Introduction:
The poem "The Duck and the Kangaroo" is written by Edward Lear. It tells the story of a duck and a kangaroo who become friends and embark on a journey together. The poem is written in a lighthearted and humorous tone, making it an enjoyable read.

Summary:
In the poem, the duck approaches the kangaroo and asks if she can ride on his back. The kangaroo agrees, and the two set off on their adventure. As they travel, the duck expresses her desire to explore the world and visit different places. The kangaroo is initially hesitant but eventually agrees to fulfill the duck's wish.

Dee and Jelly Bo Lee:
Dee and Jelly Bo Lee are mentioned in the poem as the relatives of the duck. They are used by the duck to persuade the kangaroo to let her ride on his back. The duck tells the kangaroo that Dee and Jelly Bo Lee, who are her relatives, have ridden on the back of a pig and a flea before, without any trouble.

Significance of Dee and Jelly Bo Lee:
Dee and Jelly Bo Lee serve as a humorous element in the poem. The duck uses their examples to convince the kangaroo that she will not cause any harm or discomfort. By mentioning her relatives who have successfully ridden on unlikely animals, the duck tries to persuade the kangaroo to trust her and agree to her request.

Lesson in the Poem:
The poem teaches an important lesson about friendship and the willingness to help others. Despite being different species, the duck and the kangaroo form a bond and support each other. The kangaroo agrees to carry the duck on his back, showing kindness and understanding. The poem also highlights the importance of adventure and exploring new places.

Conclusion:
"The Duck and the Kangaroo" is a delightful poem that tells the story of an unlikely friendship between a duck and a kangaroo. The mention of Dee and Jelly Bo Lee adds a humorous touch to the poem, emphasizing the duck's desire to explore the world. The poem teaches valuable lessons about friendship, kindness, and the joy of embarking on new adventures.