Are male bats actually making echolocation harder to impress the ladies?

We tend to view sexual selection as secondary to natural selection, but nothing is second to the imperative to reproduce. Sometimes that means that even precisely engineered traits like echolocation have room to be a little sexier. Could falsetto calls really be a signal of male quality in the Mehelyi’s horseshoe bat? … Read More Are male bats actually making echolocation harder to impress the ladies?

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