 For example, there are amphibians such as yellow-bellied toads ("Bombina variageta") – decidedly water inhabitants – and reptiles such as the grass snake ("Natrix natrix") which live in damp forests, fens and bogs.A great number of bird species find the best conditions for breeding and have been observed for a number of years.The fieldfare ("Turdus pilaris") is to be found her with the only breeding colony of the whole area.