What's Killing Killer Whales? | Lab Manager
Orca | Defenders of Wildlife
Are Orcas Endangered? - American Oceans
Resident orca whales suffer triple threat of pollution, noise and lack of food: U.S. study | CBC News
Killer Whale | NOAA Fisheries
NOAA proposes plan to expand killer whale habitat - YouTube
All About Killer Whales - Habitat and Distribution | SeaWorld Parks & Entertainment
Mortality Study Establishes Numerous Threats to Orcas
ORCA - Threats
Ships' noise is serious problem for killer whales and dolphins, report finds | Whales | The Guardian
Threats To Orca - World Orca Day
Washington's orca whale pods receive new federal habitat protection
Threats - Orcinus Orca
Diverse Threats Imperil Northeast Pacific Killer Whales, Including Southern Residents | NOAA Fisheries
What's killing killer whales? Orca report covering a decade of necropsies identifies threats
Southern Resident Killer Whales | US EPA
Orcas (Killer Whales): Facts and Information
Killer Whale - Facts, Diet, Habitat & Pictures on Animalia.bio
Orca | Defenders of Wildlife
Killer Whale | NOAA Fisheries
5 Ways Orcas Are Threatened in the Wild - One Green Planet
Southern Resident Killer Whales: Facts, Info & More | WWF.CA
Killer whales face a number of threats, and most are human-related • Earth.com
