Orcas are big dolphins that live in many oceans and face some problems.

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They are black and white. Orcas eat fish, seals, and whales. They live in groups and learn skills, Male orcas can grow up to 9.8 meters long and weigh over 10 tons, while females are smaller but can still reach 8.5 meters and 7.5 tons.

Orcas live in all oceans, especially in colder and coastal areas, with wide variations in their range and migration.

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They are common in places like Norway, Alaska, Iceland, and Antarctica. Orcas sometimes swim into rivers such as the Columbia River and Fraser River. They visit the Arctic and Antarctic only in some seasons. Some orcas return to the same coasts each summer, but where they go for the rest of the year is still unknown.

Day-to-day orca behavior generally consists of foraging, travelling, resting and socializing.

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These diverse behaviors highlight the intelligence and complex social structures of orcas in their natural environment.

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They imitate others, deliberately teach skills to their kin, and even use tools such as kelp in playful or practical ways.

Orcas live long lives, have different roles in reproduction, and show unique behaviors.

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Female orcas can have babies from age 10 to 40 and may live up to 80 years or more. Males live shorter, usually around 30–60 years. Mothers give birth to one calf after a long pregnancy, and many pod members help care for the young. Orcas in the wild usually live longer than those in captivity. Rarely, males may kill calves to mate with the mothers.