GMAT Critical Reasoning (CR) | Re: It is certain that at least as many migratory birds fly

It is certain that at least as many migratory birds fly through Hilden every fall as fly through Paluska.

The conclusion above follows logically from which one of the following statements?

(A) Paluska’s average snowfall exceeds Hilden’s by eight inches.
(B) Residents of Paluska have been warned not to use bird feeders this fall to avoid spreading a disease diagnosed in dead birds found at a few feeders in Paluska.
(C) Hilden is the county in which Paluska is located.
(D) More natural predators