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So in a striking act of scientific creativity, Liu turned to the animal kingdom and to human medical science to figure out what was going on.

The sounds, those seductively embracing and those frightfully howling in the wind, became an acknowledged life in all its strangeness, the animal kingdom as counselor to our uncertainties, indulgences and differences.

"Our findings reveal that fish, like humans, employ advanced cognitive abilities to sustain their societies. This compels us to reconsider the notion of 'intelligence' not only in fish but across the animal kingdom," Awata said.

Blue is relatively rare in the animal kingdom.

In the animal kingdom, some of the largest genomes include certain lungfishes and salamander at about 120 billion base pairs.