The author initiates writing this essay with a detailed description of the Great Salt Lake and how its water level has changed over time. The change in the water level of the lake has affected several animals leading to extinction of some of them! The author addresses this c0ncern by telling stories about her and her family's life living near the Bear River Migratory Refuge. Hence, the main theme of the essay is addressing the issue of extinction of birds from the wetlands of Great Salt Lake.
The author is one with the environment and feels exploited when she sees that the land is depleted by men. Hence, one of the minor themes could be exploitation of women by men. The author is giving a sneak peek into her life indicating her sense of identity through her family and the refuge. Hence, another minor theme could be that author is writing a memoir of her childhood days and remembering those nostalgic moments.