Investigations are continuing into how more than one hunded sea birds came to be covered in a greasy film along the Dorset coast. The guillemots were found on Chesil Beach in Weymouth and taken to a nearby RSPCA centre where they are being cared for.
It's not yet know what the sticky substance is but it's not thought to be fuel.
It could be days before the true scale of the pollution spill affecting sea birds on the south coast is known, wildlife experts said today.
A change in wind direction could have killed thousands more birds after scores were found washed ashore along England's south coast.
Increasing numbers of birds are washing up on the south coast after being covered in a mysterious substance.