Colony of rare spiders discovered – Nature, Environment – The Independent.
A rare spider which was feared extinct in the UK has been caught on camera for the first time after a new colony of the species was found.
The elusive Rosser’s sac spider had not been seen in Britain for 10 years, but a colony has now been discovered at Chippenham Fen in Cambridgeshire.
The spider, Clubiona rosserae, which makes its home in wetland areas, has only ever been found in one other site in Britain, at Lakenheath Fen in Suffolk.
The light brown spider was first discovered in the 1950s, but the draining of the fens and changing farming practices since the Second World War has been putting its preferred habitat under threat, experts said.
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