Answer: The other animals decide to call Buzzard back to Galun'lati, lest the entire world become mountainous.
Step-by-step explanation:
The animals used to stay in Galun'tai which was in the sky. They wanted to move to the earth which the water beetle had brought up from the ocean's bottom. The land was too wet for them though so they went back to the sky.
After some time they then sent the Great Buzzard who flew all over the earth to find land to settle. As his wings created mountains and valleys as stated in the excerpt, the animals became scared that the whole word would become mountainous so they called him back.