Think of common courtship displays in the animal kingdom, like the flashy display of a peacock’s tail or the treetop melody of a songbird’s tune. Each is relatively constant. The brilliant colors in a male peacock’s plumage do not change during its attempts to attract a female. And songbirds rely on repetition, like top-40 radio stations, singing the same songs in the same kinds of ways during their mating rituals.
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Source: Phys.org