COMPLETE SPECIES PROFILE

Orca

Orcinus orca

One species, many connections.

Also known as: killer whale, blackfish

WHY IT MATTERS

One species, many connections.

Orcas link prey abundance, food-web structure, underwater sound, contaminants, fisheries, and social knowledge.

Scientific name
Orcinus orca
Animal group
Vertebrate · Mammalia
Environment
Marine

PUBLIC-DOMAIN VISUAL RECORDS

Two additional perspectives

Together with the primary image, these records show behavior and habitat without covering the photographs with labels.

INTERACTIVE TAXONOMY

Interactive classification

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Open the complete taxonomy glossary

DID YOU KNOW?

Curiosities that reveal how it lives

Orcas are the largest members of the dolphin family.

Different populations use distinct calls and hunting traditions.

Calves learn important behaviors from older group members.

Some populations specialize almost entirely on fish, while others hunt marine mammals.

Where it lives

Oceans worldwide, from polar seas to tropical waters, with populations specialized for different habitats and prey.

How it lives

Diet varies by population and may include fish, squid, seals, and other marine mammals.

Key adaptations

Powerful swimming, echolocation, complex social learning, coordinated hunting, and population-specific cultures.

Its connections

Orcas link prey abundance, food-web structure, underwater sound, contaminants, fisheries, and social knowledge.

Pressures and protection

Prey scarcity, contaminants, vessel disturbance, underwater noise, entanglement, and climate change.

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