The goal of the present study was to complement existing data of testosterone and progesterone in blue whale (Balaenoptera musculus) blubber from

Postmortem data for harbor seals (Phoca vitulina richardsii) in the Salish Sea were analyzed for epidemiologic trends in congenital diseases.

1. Animals are distributed relative to the resources they rely upon, often scaling in abundance relative to available resources. Yet,

Documenting human impacts on marine mammals is critical for understanding and mitigating harm. Although propeller strike injuries in small marine

Species conservation relies on understanding population demographics, yet this information is lacking for many species and populations. Four stocks of

We report 20 photo-documented sightings of a blue/fin whale hybrid between 2004 and 2020, in its wintering and summering ranges

Observational studies describe rough-toothed dolphins (Steno bredanensis) actively foraging during the day on epipelagic species. Using data from depth-transmitting satellite

Studies of the social behavior of Cuvier’s beaked whales (Ziphius cavirostris) are challenging because of their deepwater habitat usually far

Understanding diet is critical for conservation of endangered predators. Southern Resident killer whales (SRKW) (Orcinus orca) are an endangered population

Harbor porpoise in the North Pacific are found in coastal waters from southern California to Japan, but population structure is