Skokholm Island, Bird sanctuary island in Pembrokeshire, United Kingdom
Skokholm is an island off the coast of Pembrokeshire in Wales, defined by red sandstone cliffs on its southwestern edge that drop sharply into the sea. It holds the status of a Site of Special Scientific Interest, making it one of the most protected seabird breeding grounds in Britain.
In 1933, Ronald Lockley established the first bird observatory in Britain on this island, launching a tradition of scientific fieldwork that continued for decades. The island has since passed through the care of several conservation bodies and is now managed by the Wildlife Trust of South and West Wales.
The name Skokholm comes from Old Norse words meaning 'wood' and 'island', pointing to a time when Viking seafarers were familiar with this stretch of the Welsh coast. Today, visitors arrive not for any settlement but to watch seabirds nesting on the red sandstone cliffs in large numbers.
The island is only accessible by boat, and crossings can be rough depending on the weather and sea conditions. Those who stay overnight are housed in basic accommodation with no shower facilities, so it is worth packing accordingly.
Skokholm was the site of some of the earliest controlled bird ringing studies in Britain, carried out by Lockley in the 1930s with very limited equipment. The data gathered on bird migration there became a foundation for later research across Europe.
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