The RSPB says around 400 birds in total have been rescued from along the south coast but experts are still trying to detmenine exactly what caused the pollution incident.
The charity says it highlights the need for sea birds to be given formal protection in marine conservation zones. Richard lawrence reports.
Increasing numbers of stricken birds are washing up on the south west coast after being covered in a mysterious substance.
Experts are no closer to discovering the cause of the damage, which has seen more than 100 seabirds taken into care at the RSPCA West Hatch wildlife centre in Taunton.
Most of the birds were found in Dorset, but one bird was found alive as far as Worthing in west Sussex.
Around 200 miles of the English coastline is being investigated. The Environment Agency has taken samples of the water for testing.
An investigation is continuing into how more than a hundred birds came to be covered in a mysterious sticky substance on a 200-mile stretch of coastline in Dorset.
The Royal Society for the Protection of Birds (RSPB) were called to the south coast yesterday after the troubled guillemots, a member of the auk family, were discovered on Lyme Bay near Weymouth.
Environment Agency staff have taken samples of the affected water in an attempt to discover what the mysterious substance is.
The seabirds have been taken to West Hatch Animal Centre in Taunton, Somerset.
You may have seen these youngsters during our weather report last night. The seal pups are being looked after at West Hatch wildlife sanctuary near Taunton because they're simply too little to cope with the cold.
RSPCA staff are making sure they're kept warm to help them survive.
The RSPCA is having to look after double the number of tawny owls it usually has to deal with. The charity's national wildlife centre at West Hatch near Taunton is nursing them back to health ready for release.