As regular CFZ-watchers will know, for some time Corinna has been doing a column for Animals & Men and a regular segment on On The Track... particularly about out-of-place birds and rare vagrants. There seem to be more and more bird stories from all over the world hitting the news these days so, to make room for them all - and to give them all equal and worthy coverage - she has set up this new blog to cover all things feathery and Fortean.

Tuesday 11 December 2012

Frigate birds reappear on Ascension Island after 180 year absence


A UK bird has been found breeding again on a remote island, almost 180 years since it was last recorded there.

December 2012. Two Ascension frigatebirds were spotted sitting on nests on Ascension Island, a UK Overseas Territory. The species has previously been confined to the outlying Boatswain Bird Island, which is just 1km², for decades after taking refuge there when feral cats overran the main island of Ascension.

Millions killed by cats
The seabird population on the tropical UK Overseas Territory, previously numbering into the tens of millions, was devastated by the cats which were introduced onto the island in the early 19th Century to control introduced rats and mice. The RSPB began a project to remove feral cats on Ascension Island in 2002. The project was supported by funding from the Foreign and Commonwealth Office and the island was formally declared feral cat free in 2006.

Globally threatened
The Ascension frigatebird is a globally threatened species found nowhere else in the world. It is one of the 33 Globally Threatened British Birds found in the UK's Overseas Territories, and is considered Vulnerable to Extinction by the IUCN.

Dr Tim Stowe, the RSPB's International Director, said: "This is the news we have been waiting for since starting the project more than a decade ago. Many species on the UK Overseas Territories are threatened by non-native species and this project marks a landmark in conservation. Ascension is the largest, inhabited island where feral cat removal has been attempted and proved successful. What a wonderful Christmas present."

The discovery was made by members of the Army Ornithological Society, together with members of the Ascension Island Government's Conservation Department.

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