Orca

Orca

Orca ©Gillian Day

Orca

Orca ©Chris Gomersall/2020VISION

Orca

Scientific name: Orcinus orca
Orca, sometimes known as ‘killer whales’, are unmistakable with their black and white markings. Although we do have a small group of orca who live in British waters, you would be lucky to see them!

Species information

Statistics

Length: up to 9.8m Weight: up to 10 tons Average Lifespan: up to 90 years

Conservation status

Protected in the UK under the Wildlife and Countryside Act, 1981, listed under CITES Appendix II and classified as a Priority Species under the UK Post-2010 Biodiversity Framework. Also protected under the Conservation (Natural Habitats, etc.) Regulations (Northern Ireland) 1998

When to see

January to December

About

Orcas are incredibly clever animals, roaming huge distances in search of prey in tight family groups that share their own special language. Their black and white markings are unmistakable, making them very easy to spot. However, the UK’s resident orca community consists of just eight individuals, four males and four females, which means seeing them is rare! Known as the ‘west coast community’ this resident group of orcas arrive in Northern Scotland in early summer to feast on fish. Unfortunately, no calf has been born to this group in over 20 years.

How to identify

The black and white pattern and enormous dorsal fin make the orca unmistakable. Males are larger than females and have much taller dorsal fins, sometimes up to 1.8 metres tall. A female's fin is around half this height and curves backwards.

Distribution

A resident group ranges widely around the west coast of the UK and Ireland. A separate population are seasonal visitors to Northern Scotland, particularly the Shetland and Orkney Islands.

Did you know?

Orcas, or Killer Whales, are actually dolphins! They are the largest member of the dolphin family and their name originated as "whale killer" as they are known to work together to kill whales much larger than themselves.

How you can help

Report your orca sightings to your local Wildlife Trust. If you meet orcas whilst at sea, maintain a distance of at least 100m. If the orcas approach you, maintain a constant speed and allow them to interact on their own terms and leave at will. If you find a stranded orca (dead or alive), please report it to the relevant authority. The Wildlife Trusts are working with Government to eliminate marine pollution and to encourage more sustainable fisheries. You can support our work by joining your local Wildlife Trust, joining a beach clean and choosing sustainable seafood.

A coastal landscape, with the sea gently lapping at smooth rocks as the sun sets behind scattered clouds

Mark Hamblin/2020VISION

As a charity we rely on memberships

Memberships help us campaign for better protection and management of our seas.

Join today

Get marine updates straight to your inbox

Receive our monthly newsletter packed with marine conservation news from around the world!

Sign up
Sea

Mark Hamblin/2020VISION

Seas in crisis

Plastic-strewn beaches, fisheries on the verge of collapse and the ever growing effects of global climate change.

What The Wildlife Trusts are doing