“ This does not sound [like] much, ” said Brumm, “but it corresponds to a fivefold increase in sound pressure, which means that the pressure in the bird’s lungs must be five times greater. ”
„ See ei tundu küll palju olevat, ” ütles Brumm, „kuid see tähendab, et surve linnu kopsudes peab olema viis korda suurem. ”