Orca Orcinus orca

Also known as the 'Killer Whale', the Orca one of the top predators in the world's oceans; they feed on fish, porpoises and, in Shetland and Orkney, on seals. When hunting, they often make coordinated attacks and will take on large whales in this manner. The Orca is actually the largest member of the dolphin family, with males reaching about the same size as four cars!

Behaviour

The black and white pattern and enormous dorsal fin make the Orca, if seen well, unmistakable. Males are larger than females and have much taller dorsal fins, sometimes up to 1.8 metres tall.

Size

Length: up to 9m Weight: 2,500-6,000kg Average Lifespan: 20-25 years

Status

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

Distribution

A rare, summer visitor to the coasts of northern Ireland and western and northern Scotland. Particularly frequent around the Shetland and Orkney Islands.

When to see

January – December

Facts

Individual Orcas can be identified by looking at the dorsal fin: the shape of the fin identifies males, females and juveniles (as well as individuals) and the greyish-white 'saddle-patch' just behind the fin is as unique as a fingerprint.

Common name

Orca

Species name

Orcinus orca

When to see in Scotland

January – December

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