The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. The only extant species in the genus Orcinus, it is recognizable by its distinct …

Learn facts about the orca’s habitat, diet, life history, and more.

Mar 25, 2026 · Scientific studies have revealed many different populations with several distinct ecotypes (or forms) of killer whales worldwide—some of which may be different species or subspecies. They …

Sep 17, 2025 · This visual guide explains the interactions that orcas, also known as killer whales, are having with ships and why scientists think it's happening.

Apr 21, 2026 · More than 20 species names have been applied to the killer whale, but a consensus now recognizes only O. orca. Killer whales were formerly referred to as grampuses, but that term is now a …

Knocked into the sea, the seal becomes a meal for one of the ocean's top predators—the huge orca, or killer whale. Orcas hunt everything from fish to walruses, seals, sea lions, penguins,...

Orcas inhabit all oceans of the world but are most numerous in the Arctic, the Antarctic and areas in nutrient-rich cold water upwellings. They have been sighted along the shores of Washington, …

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May 1, 2026 · The killer whale, also known as the orca, is one of the ocean’s most recognizable predators. This fearsome marine mammal is the largest member of the oceanic dolphin family …

Is the orca classified as a whale or dolphin? Orcas have a lot of characteristics in common with whales, but taxonomically, they’re actually dolphins! They are actually the largest member of the dolphin …