The sentence should instead be this: Which moves more swiftly through the water, a shark or a crocodile. Although this is starting to slip from common usage.
Most of the competition that occurs in our ecosystem is basically just for survival. Breaking down into food supply, shelter, mate, etc. For frogs and birds, the thing that they are competing is the food supply. Given that they could live very near to each other, they will be competing for insects or other smaller animals.
Answer:
There is no “hate speech” exception to the First Amendment. Contrary to a common misconception, most expression one might identify as “hate speech” is protected by the First Amendment and cannot lawfully be censored, punished, or unduly burdened by the government — including public colleges and universities.