Jack Rabbit, a song by Elton John, is an upbeat and whimsical tune that tells the story of a jaunty jackrabbit. The lyrics capture the playful and carefree life of the rabbit, highlighting themes of freedom, adventure, and the simple joys of life. The key themes include nature, innocence, and the thrill of exploration. Particularly poignant moments in the song include the descriptions of the rabbit's lively escapades and the vivid imagery that brings the character to life.