Puffin Island

Puffin Island by Siany on Flickr

Last updated: 01 March 2011

Just off the coast of Anglesey, Puffin Island (Ynys Seiriol in Welsh) is uninhabited and is designated a Special Protection Area on account of its large cormorant population.

Other sea birds such as guillemot, razorbill, shag, kittiwake and eider ducks are also found. Don't expect to see many puffins though as the puffins from which the island gets its name were decimated by the accidental introduction of rats in the late 19th century.

A poisoning programme to rid the island of its rats has helped the puffins recover in recent years.

Each summer, the RSPB organise wildlife cruises around Puffin Island with live commentary and you can see many of the birds listed above as well as gannets, chough, peregrine falcons and storm petrels.

Colourful puffins in early summer
Colourful puffins in early summer

Cruises take place between 24 May and 21 July. See the RSPB website for more details.

As well as the birds, there are grey seals on the island, and occasional sightings of bottlenose dolphins and harbour porpoise.


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