Many marine mammals rely on underwater hearing and sound production for purposes of
breeding, socializing, finding food, and navigating. How much the auditory system has …

The effect of man‐made sound on marine mammals has been surrounded by controversy
over the past decade. Much of this controversy stems from our lack of knowledge of the …

For the 119 species of marine mammals, as well as for some other aquatic animals, sound is
the primary means of learning about the environment and of communicating, navigating, and …

Marine mammals (whales, dolphins, seals, sea lions, sea cows) use sound both actively and
passively to communicate and sense their environment, covering frequencies from a few …

Publisher Summary Natural sources of underwater sound include breaking waves and surf,
rain striking the sea surface, ice cracking and groaning in the higher latitudes, and the …

Many marine mammals communicate by emitting sounds that pass through water. Such
sounds can be received across great distances and can influence the behavior of these …

Since the oceans are largely transparent to sound, acoustic tools are critical for solving the
mysteries they contain. Many of these tools are based on the same principles used by …

The oceans are much more transparent to acoustic energy than to electromagnetic energy in
the frequency ranges at which animal sensory systems operate. Consequently it is not …

In 2000, the US National Ocean Partnership Program, with leadership by the Office of Naval
Research, requested that the US National Academies examine the potential effects of noise …

Sound is critically important to marine mammals. While they are adapted to live in naturally
noisy environments, noise from various sources, including human activities, can influence …