In May, a low plaintive note rises up into the forest canopy. It sounds so far away. Attracted by this mysterious fairy musician you cross a wide forest alley... the sound stops. Suddenly, the surface of a pool trembles and is disturbed by small waves. Bathed in sunlight, a small world can be seen in this pool. Lying still, the palmate newt can hardly be spotted because of its earth coloured skin. Several large tadpoles move quickly and disappear between the twigs lying on the bottom. An almost transparent salamander larva, , hardly evokes the yellow and black colour of its nocturnal elder hidden not far away in a vole's burrow. On the edge, an inhabitant flees. Caught, frozen with terror, it shows its salamander coloured stomach. It is the mysterious fairy musician: the yellow bellied toad. ..

We can now find 13 species of amphibians in the Nature Park, all of them classified endangered species in France. 8 species of reptiles can also be found, including some of them endangered.