Harbor porpoise (Phocoena phocoena) are considered to be a sentinel species throughout much of their range due to their sensitivity

Ship strikes have been a concern for a number of species of large whales along the US West Coast and

Most eastern North Pacific gray whales migrate seasonally from breeding areas in Mexico to primary feeding areas in the Arctic

As high trophic level, non-migratory marine mammals, harbour seals (Phoca vitulina) inhabiting the Salish Sea provide an integrated signal of

We deployed 20 Low-Impact Minimally-Percutaneous External-electronics Transmitter (LIMPET) satellite-linked transmitters and dive recorders on short-finned pilot whales (Globicephala macrorhynchus) off

Evidence from strandings and anecdotal reports indicate that a number of odontocete species interact with near-shore fisheries in Hawai’i. In

Short-finned pilot whales (Globicephala macrorhynchus) interact with pelagic longlines by depredating bait and catch and becoming hooked or entangled in

The small size and fast movements of many small delphinids present challenges when studying their ecology, behavior, and communication. Yet

At least 11 of the 18 species of odontocetes in Hawaiian waters have island-associated, resident populations. Sperm whales have been

Small, long-term resident populations of Cuvier’s and Blainville’s beaked whales exist off Hawai`i Island; however, little is known about their