The heathland is home to common kestrel, common buzzard, common lizard and grass snake. It is also known as Taiwan keelback and Swinhoe's grass snake. It also sometimes called a grass snake. It also sometimes called a Grass Snake. The species is also referred to as the grass snake. Particularly notable are the tree frog, blind worm, and grass snake. Common lizard, slowworm, grass snake and adder are encouraged by the heathland habitat. The trabecular cartilages were first described in the grass snake by at 1839. His dissertation, supervised by Theodor Eimer, was on grass snake embryos. The Himalayan keelback ("Herpetoreas platyceps") is a species of grass snake in the family Colubridae. The other three, the barred grass snake, grass snake and the smooth snake, are non-venomous. Reptiles found include the European adder ("Vipera berus") and grass snake ("Natrix natrix"). Reptiles are represented by grass snake (Natrix natrix) and dice snake (Natrix tessellata). After the Christianization of Lithuania, the grass snake still retained some mythological significance. The grass snake "Alsophis rijgersmaei" is the only snake in St. Maarten.