Large whales are subjected to a variety of conservation pressures that could be better
monitored and managed if physiological information could be gathered readily from free …

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 …

Faecal steroid hormone metabolites are becoming increasingly popular as parameters for
reproductive functions and stress. The extraction of the steroids from the faecal matrix …

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 …

Combining calibrated hydrophone measurements with vessel location data from the
Automatic Identification System, we estimate underwater sound pressure levels for 1,582 …

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

Human use of marinescapes is rapidly increasing, especially in populated nearshore
regions where recreational vessel traffic can be dense. Marine animals can have a …

Endocrinology is an indispensable tool in threatened species research. The study of
endocrinology in threatened species not only advances knowledge of endocrine mechanism …

Stressors are commonly accepted as the causal factors, either internal or external, that
evoke physiological responses to mediate the impact of the stressor. The majority of …

Understanding health and mortality in killer whales (Orcinus orca) is crucial for management
and conservation actions. We reviewed pathology reports from 53 animals that stranded in …