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Cetaceans are some of the most creative feeders in the animal kingdom. Common bottlenose dolphins create waves to corral fish to the shore where they can be easily caught, while humpback whales use bubbles to herd schools of fish. Toothed cetaceans, such as dolphins and killer whales, also engage in clever cooperative feeding behaviors. Most baleen whales, however, tend to eat solo. But a few years ago, researchers from CESIMAR, a marine research center in Argentina, happened upon a never-before-seen behavior while studying southern right whales and ship traffic, and recently published their findings.