Dad is a forest, and I am a small tree. What is a poem?

Dad is a forest, and I am a small tree. It is a poem made by Yijia Experimental Kindergarten in Pingguo County to promote Father's Day. The full text is: Dad is a dense forest, and I am a small tree; Dad is a vast sky, I am a bird; Dad's love is like sunshine, very warm; Dad's love is like the moon, very gentle; A word hidden in my heart for a long time: that is: Dad, I love you!