The purpose of the chorus is to provide background information or summarize what is currently happening in the story. Usually in the form of a song. They do not interact with characters in the story.
Answer:
Crabs. Crabs belong to the subphylum Crustacean, the largest group of marine arthropods, which also includes lobster, shrimp, and krill, a shrimp-like crustacean. Crabs move sideways, walking on four pairs of legs, and holding their two legs with claws away from their body.
The answers are Thrush & Bush.