The research was carried out with the help of the Alderney Wildlife Trust and the British Trust for Ornithology.

BBC: Les Etac gannetry

On Monday, Mr Darling published a Cliffe birdstrike report commissioned by the Central Science Laboratory and the British Trust for Ornithology.

BBC: Bird danger could halt Cliffe plans

The society has joined forces with the British Trust for Ornithology (BTO) to allow people to record sightings and breeding sites through its website.

BBC: Devon bird spotting 'atlas' to be produced

The British Trust for Ornithology is studying the question around the country: early results suggest that lots of waterfowl are indeed living off pollution.

ECONOMIST: For some, sewage is pollution. For others, it's nutrition

Natural England said a survey carried out last year by the British Trust for Ornithology found it had 1.3% of the national population of nightingales.

BBC: Nightingales may stop 5,000 Chattenden homes

Viola Ross-Smith, Research Ecologist with the British Trust for Ornithology, said it was difficult to say what would happen following the publication of the research.

BBC: Les Etac gannetry

One of the Manx shearwaters recorded in the latest edition of the British Trust for Ornithology's Ringing Report, which summarises data collected in 2003, was given its ring in 1953.

ECONOMIST: The oldest bird in the world

The British Trust for Ornithology (BTO) is among a range of bodies that have submitted research papers to leading peer-reviewed scientific journals, whose findings are based on data collated by volunteers.

BBC: Volunteers 'vital to science data collection'