Species · GBIF taxon 2440483
Orca
Orcinus orcaAlso known as Killer Whale, Blackfish, Grampus
Orcas are highly social apex predators that live in complex, matriarchal family groups called pods, sharing unique vocal dialects and hunting techniques passed down through generations. These magnificent dolphins navigate the oceans using sophisticated echolocation, coordinating stealthy group attacks on prey ranging from herring schools to blue whales. Their striking black and white coloration provides excellent camouflage in the shifting light of the open sea.
Marine MammalApex PredatorHighly Intelligent
—observations
—countries
—peak records
Data DeficientConservation statusIUCN Red List categoriesLCNTVUENCREWEXData Deficient — not placed on the risk ladderRed List categories, explained →
Diet & prey
- Chinook Salmon
- Harbor Seals
- Herring
Predators
Not available
ThreatsVessel noise, chemical pollution, prey depletion, and climate change
HabitatsCold temperate and polar oceans, coastal waters, and open seas
Life span50 to 90 years
Size / weightNot available
Classification
- FamilyDelphinidae
- SpeciesOrcinus orca
N. Atlantic S. Atlantic N. Pacific S. Pacific Indian Ocean Arctic Ocean Southern Ocean
Marine distribution — the ocean basins and seas where the species occurs.
Interaction riskHigh
- Low
- Moderate
- High
- Very high
- Why interaction risk is high
- Maintain a respectful distance of at least 100 yards to prevent vessel strikes and acoustic disturbance.
- Why it is dangerous
- As massive apex predators, they can easily capsize small watercraft or cause accidental injury if they feel threatened or crowded.
- How to recognize a risky encounter
- Look for the towering, triangular dorsal fin up to six feet tall and the distinctive white eye patch.
- What to do
- Never swim with, feed, or approach wild individuals; immediately cut your vessel's engine if they approach.
- What to notice
- Recognized by their unique saddle patch shapes and dorsal fin notches, which researchers use for tracking.
- Support conservation
- Support local salmon conservation efforts and choose land-based whale watching to protect vulnerable pods.
Responsible observation
- Watch from Land: Spotting pods from coastal overlooks minimizes acoustic disturbance to their sensitive echolocation.
- Keep Distance: Maintain a distance of at least 100 to 300 yards when viewing from boats, depending on local laws.
- Go Slow: Reduce vessel speed to under 7 knots when within a half-mile of any pod to prevent collisions.
Primary Prey (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland · cc-by
Prey Charles J. Sharp / CC BY-SA 4.0 · cc-by-sa
Prey (c) David Merrett, some rights reserved (CC BY) · cc-by
Close Relative Close Relative
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