the caterpillars will feed on. once a common plant the devil s bit scabious is now sketch in this region. only here in the greenhouse is it found in abundance. this year it helped three hundred butterflies to develop. but how will they fare in nature. to test that the butterfly research is taking fifty females and fifty males on a journey. they travel ninety kilometers through lots of greenery but the butterfly couldn t survive here. as this it s just green there s nothing in bloom it s
plants and insects now thrive military tanks used to roll. so i don t want to believe it about the areas biodiversity is thanks to its former military use for one thing it s huge for a conservation area four hundred hectares plus they never used fertiliser because a military ground existed before the invention of chemical fertilizers so the ground s never been plowed. the area would have been overgrown long ago if that left colleagues and his team hadn t turned up. they brought grazing animals here like red ponies cows and goats to keep the grass short. that makes the perfect home for a mouse treated every. the butterfly needs open country the devil s bit scabious also can t germinate in dense vegetation many