Mass stranding events (MSEs) of beaked whales (BWs) were extremely rare prior to the
1960s but increased markedly after the development of naval mid-frequency active sonar …

Marine mammals face a large array of stressors, including loss of habitat, chemical and
noise pollution, and bycatch in fishing, which alone kills hundreds of thousands of marine …

In the songs and bubble feeding of humpback whales; in young killer whales learning to
knock a seal from an ice floe in the same way their mother does; and in the use of sea …

Acute effects of anthropogenic sounds on marine mammals, such as from military sonars,
energy development, and offshore construction, have received considerable international …

Cuvier's beaked whales (Ziphius cavirostris) are known as extreme divers, though
behavioral data from this difficult-to-study species have been limited. They are also the …

Under the 1994 amendments to the Marine Mammal Protection Act (MMPA), the National
Marine Fisheries Service (NMFS) and the US Fish and Wildlife Service (USFWS) are …

Beaked whales have mass stranded during some naval sonar exercises, but the cause is
unknown. They are difficult to sight but can reliably be detected by listening for echolocation …

Most marine mammal strandings coincident with naval sonar exercises have involved
Cuvier's beaked whales (Ziphius cavirostris). We recorded animal movement and acoustic …

Mid-frequency military (1–10 kHz) sonars have been associated with lethal mass strandings
of deep-diving toothed whales, but the effects on endangered baleen whale species are …

Anthropogenic underwater noise levels have generally increased as industrial activities in
the ocean have become more prevalent. Because of the central nature of sound in the lives …