5616 x 3744 px | 47,5 x 31,7 cm | 18,7 x 12,5 inches | 300dpi
Fecha de toma:
25 de octubre de 2010
Ubicación:
Pembrokeshire Wales UK
Más información:
The Grass Snake (Natrix natrix), sometimes called the Ringed Snake or Water Snake is a European non-venomous snake. It is often found near water and feeds almost exclusively on amphibians. The Grass Snake is typically dark green or brown in colour with a characteristic yellow collar behind the head, which explains the alternative name ringed snake. The colour may also range from grey to black, with darker colours being more prevalent in colder regions, presumably owing to the thermal benefits of being dark in colour. The underside is whitish with irregular blocks of black, which are useful in recognizing individuals. In Great Britain the Grass Snake is the largest reptile, reaching up to 190 centimetres total length, though such large specimens are rare. Females are considerably larger than males, typically reaching a size of 90–110 centimetres when fully grown. Males are approximately 20 centimetres shorter and significantly smaller in girth. Weight is about 240 grams. Since the colour of its collar is often pale yellow to white in the Balkans region, the name for this snake in Serbian/Croatian language is belouška/bjelouška, which means "white-eared snake" - similarly for some Italian regional names like biancone ("big white") or biacco. Not being venomous, the snake's only defense is to produce a garlic-smelling fluid from the anal glands, or to feign death by becoming completely limp. They may also perform an aggressive display in defense, hissing and striking without actually opening the mouth. They rarely bite in defense. It is claimed that they may also secrete blood from the mouth and nose whilst playing dead.
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