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VIDEO: Army of volunteers help with swan census

Around 200 volunteers, up to half paddling kayaks and canoes, have been draftedin to assist with the biennial round-up of swans at Abbotsbury Swannery on Saturday.

The round-up hopes to take a snapshot of the size and health of the swan population on the Fleet Lagoon at Chesil Beach - the world’s only managed colony of mute swans.

The swans are individually checked by vets, vaccinated, ringed, weighed and measured.

"Swanherd" Dave Wheeler said: "It is an amazing sight. We estimate there are around 700 swans on the Fleet at the moment, as well as 130 cygnets in the swannery itself.

"Visitors will still be able to watch and help feed the swans at 12 noon and 4pm."

Ongoing mystery surrounds oil spill that hit 150 swans

Some of the swans rescued from oil spill in the River Thames

Investigations are continuing into what may have caused an oil spill which led to around 150 swans having to be rescued from the River Thames between Windsor Bridge and Eton Bridge over the weekend.

The birds have been cleaned by the Swanlife charity

The Environment Agency has said the mystery substance could have been caused by illegal flytipping, leakage from boats or tanks, or faulty drainage.

It is hoped that the birds, which are being cared for by charity Swan Lifeline, can be released on Tuesday.

All swans contaminated in mystery oil spill rescued

Swans contaminated in oil spill are being cared for by a rescue charity

A spokesperson from the Environment Agency has said all the swans hit by a mysterious oil spill along the River Thames in Berkshire have been removed from the water. More than eighty of the birds are being cared for at a rescue centre.

The birds affected bords were found in the area between Windsor Bridge and Eton Bridge, and recovered on Friday and Saturday.

Environment Agency investigators are still trying to find the source of the oil, with possible causes ranging from flytipping, leakage from boats or tanks, to faulty drainage systems. However there are only small pockets of the substance left in the water, which makes it harder to detect the origin.

It is hoped that it will be possible to release the swans back into the River Thames in the next few days.

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