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 black-and-white patterned body.

Ten facts about orcas (killer whales) Orcas are the largest member of the dolphin family. A male orca can be nearly 33 feet (10 meters) in length and weigh around 22,000 pounds (10,000kg). Orcas are highly intelligent and able to coordinate hunting tactics. Female orcas are thought to live to 80 years of age or more.

Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. They're immediately recognizable by their distinctive black-and-white coloring. …

Over the last few decades, as wild orca research has expanded, researchers have described different forms or types of orcas. Known as ecotypes, these distinct types of orcas differ in size, appearance, prey preferences, foraging techniques, dialects, behaviours, and social groups.

2025年1月14日 · The killer whale, also known as orca, is the ocean’s top predator. It is the largest member of the Delphinidae family, or dolphins. Members of this family include all dolphin species, as well as other larger species, such as long-finned pilot whales and short-finned pilot whales, whose common names also contain "whale" instead of "dolphin."

2025年2月17日 · killer whale, (Orcinus orca), largest member of the dolphin family (Delphinidae). The killer whale is easy to identify by its size and its striking coloration: jet black on top and pure white below with a white patch behind each eye, another extending up each flank, and a variable “saddle patch” just behind the dorsal fin.

2024年5月28日 · Since 2020, Atlantic Orca Working Group (GTOA) reports there have been 673 "interactions" between the marine animals and watercraft since 2020, with at least four boats sinking.

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, Oregon, California, Baja California, and along the eastern coast of the United States.

2025年1月28日 · Orcas are often called killer whales, even though they almost never attack humans. They live in every ocean around the world, from the warm waters near the equator to …

Killer whales or Orcas are probably the best known of the whales, as large carnivores they have a keen intelligence that enables them to be trained in captivity to do various tricks for rewards and so have been kept in marine aquariums and "Sea-World" type exhibits for many years.