Orcas are at the top of the marine food chain, with no natural predators. From fish to seals, even great white sharks, ...

The massive, intelligent Orca (Orcinus orca) is the world's largest apex predator. Learn how its pack-hunting tactics allow ...

A U.S.-based research team has documented a rare glimpse of Bigg's killer whales engaging in some unusual behaviour, ...

Researchers identified two ecologically distinct communities of transient killer whales along the West Coast, each with unique hunting behaviors, habitats, and social networks.