SeriesNOAA | The Federal Pace of RecoverySee Collection SeriesFair FisheriesSee Collection SeriesNOAA | The Federal Pace of RecoverySee Collection SeriesFair FisheriesSee Collection Categories Show all The Front Line Deeper Dive The Front Line July 1, 2022High number of vulnerable killer whales is simply unprecedentedRead The Front Line June 28, 2022Yet another study finds lack of prey impacts survival of endangered killer whalesRead Deeper Dive June 15, 2022Hormone levels indicate stress levels of endangered orcasRead Deeper Dive May 26, 2022Scientists’ model turns clock back, then forward to understand human impacts on orcasRead The Front Line April 16, 2022A lethal combination: oil and orcas don’t mixRead Deeper Dive April 13, 2022An increase in vessel distance reduces endangered orcas’ exposure to harmful emissionsRead Deeper Dive April 4, 2022Why a Strong Social Network Improves Survival Rates of Male Southern Resident Killer WhalesRead Deeper Dive March 25, 2022Prey Scarcity Increases Pollutant Levels, and Their Effects, in Southern Resident Killer WhalesRead Ask an ExpertOur team answers your questions about orcas and salmon. See Questions & Answers Search & Filter TopicsAcoustic Effects Births Contaminants Dam Removal Deaths Diet Fair Fisheries Fecal Analysis Government Study Habitat Protection Habitat Restoration Hatcheries Health Monitoring Malnutrition NOAA Fisheries Pacific Fisheries Management Council Reproductive Health Salmon Social Dynamics Support our Work Subscribe Notice: JavaScript is required for this content.