Dave Bonta's tiny poem gives us a single moment: a polar bear hunting. The title, "Ursus maritimus," is the Latin name for the polar bear, so the poem opens with a scientific label and then shifts into plain, simple description. The bear is "white," it "catches dinner," and it is "very hungry." Nothing is dressed up.
The speaker doesn't state any feelings outright. Instead, the poem seems to watch from a distance, almost like a nature observer jotting a quick note. The last line, "snow at sea," is the most striking. It could describe the bear's surroundings, or it could suggest the bear itself, white and moving across the water, is a kind of snow at sea. That blurring makes the animal feel part of the landscape.
The mood is stark, quiet, and a little tense. Hunger drives everything, and the short lines leave lots of empty space, much like the icy world they describe.