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 …

Understanding the factors that cause endangered populations to either grow or decline is
crucial for preserving biodiversity. Conservation efforts often address extrinsic threats, such …

The ability to accurately gauge the body condition of free‐swimming cetaceans is invaluable
in population and conservation biology, due to the direct implications that this measure has …

Pacific salmon (Oncorhynchus spp.) are at the center of social–ecological systems that have
supported Indigenous peoples around the North Pacific Rim since time immemorial …

Anthropogenic underwater noise is now recognized as a world-wide problem, and recent
studies have shown a broad range of negative effects in a variety of taxa. Underwater noise …

Classic life-history theory predicts that menopause should not occur because there should
be no selection for survival after the cessation of reproduction [1]. Yet, human females …

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

The Southern Resident killer whale population (Orcinus orca) was listed as endangered in
2005 and shows little sign of recovery. These fish eating whales feed primarily on …

Understanding cumulative effects of multiple threats is key to guiding effective management
to conserve endangered species. The critically endangered, Southern Resident killer whale …

Estimating diet composition is important for understanding interactions between predators
and prey and thus illuminating ecosystem function. The diet of many species, however, is …