Anguis fragilis
present include adder ("Vipera berus"), grass snake ("Natrix natrix"), slowworm ("Anguis fragilis") and common lizard ("Lacerta vivipara"). Many bird species breed on the Quantocks, including the grasshopper warbler ("Locustella naevia"), nightjar ("Caprimulgus europaeus"), raven ("Corvus corax") and the European pied flycatcher ("Ficedula hypoleuca"). The Quantocks are also an important site for red deer ("Cervus elaphus"). Invertebrates of note include the silver-washed fritillary butterfly ("Argynnis paphia"), and three nationally rare dead-wood beetles: "Thymalus limbatus", "Orchesia undulata" and "Rhinosimus ruficollis".