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Escapee pregnancy test frogs colonised Wales for 50 years (2019)
The unlikely story of the African frogs that made themselves at home in a corner of Wales.
David Slade, of the South East Wales Biodiversity Records Centre, said: "So effectively they were known from Glamorgan for a number of years, around the Alun Valley, and Bristol University conducted extensive long-term research projects on them whilst keeping the location secret." Females weigh about 7oz (200g) and can reach 4.5in (12cm) Native to eastern and southern Africa, as well as South Africa, Namibia and Angola Prefer warm, stagnant pools and only leave the water when forced to move Feed on insect larvae, water insects, crustaceans, small fish, tadpoles, worms and freshwater snails Can live to be 16 in the wild or 20 in captivity After laying an extensive number of traps, not a single African clawed frog was captured and researchers found this mass disappearance coincided with one in Lincolnshire - another place they colonised.
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