Why are killer whales going 'Moby-Dick' on yachts lately? Experts doubt it's revenge
Killer Whale - Food Chain
Orcas are living in toxic waters • Georgia Strait AllianceGeorgia Strait Alliance
Orcas (Killer whales)
10 Orcas Facts – MAYA BLEU
Tracking Contaminants in Killer Whale Habitats - Ocean Wise
12 Reasons Why the Killer Whale Is the Ocean's Top Predator! | Always Learning!
Toxin from toilet paper production found in killer whales • Earth.com
Why Orcas Are the Ocean's Apex Predator
Is it true that there is nothing above orcas in the food chain? - Quora
Killer Whale - Food Web
Sea Save Foundation - FUN FACT: Orcas are predators that are at the top of the food chain. No other animals except for humans hunt orcas. Orcas feed on sea birds, squid,