Bats coordinate echolocation with their wingbeats. Bats emit sounds in time with wing beats to take advantage of the respiration cycle, exhaling on the up-stroke and emiting sound during this time. This means they are able to produce these sounds for echolocation with virtually no energetic costs.

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Bats coordinate echolocation with their wingbeats. Bats emit sounds in time with wing beats to take advantage of the respiration cycle, exhaling on the up-stroke and emiting sound during this time. This means they are able to produce these sounds for echolocation with virtually no energetic costs.