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 March 6, 2021Year-round Chinook Essential to Endangered Killer WhalesRead The Front Line February 7, 2021It’s Not Too Late For Southern Resident Killer WhalesRead Deeper Dive February 2, 2021What’s Killing Seattle’s Salmon?Read Deeper Dive January 10, 2021What’s Killing Killer Whales?Read Deeper Dive October 17, 2020Could a Virus Wipe out the Southern Resident Killer Whales?Read Deeper Dive April 22, 2020Can Killer Whales, Salmon, Seals, and Humans Coexist?Read Deeper Dive March 5, 2020Shrinking Salmon: Killer Whales are a Symptom, Not the CauseRead Deeper Dive January 20, 2020The Grandmother EffectRead 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.