WHY do hyena dogs follow the custom of making decisions in the pack by voting?

The hyena dogs inhabiting Africa have a collective decision-making mechanism. To start the hunt, one individual must make a sneeze-like sound, and the others must support it with the same sound.

If one of the dominant pair sneezes first, an average of three support votes is enough to start the hunt, and if an ordinary dog starts the hunt, the number of necessary votes increases to ten.

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