Grass snake

Systematic position: The grass snake (Natrix natrix) belongs to the order Squamata and the family Colubridae. In the context of agronomy, it is critical to classify this animal as a predator rather than a plant pest, as it does not feed on any agricultural crops.

Affected crops: There are no crops that the grass snake damages. It does not consume plant matter, including roots, foliage, or seeds. Its presence in agricultural fields is incidental, as it usually seeks moist areas or water sources to hunt for amphibians and fish.

Biology and life cycle: Grass snakes are diurnal reptiles that rely on external heat for their metabolic processes. They hibernate during winter and emerge in spring. Females typically deposit their eggs in warm, decaying organic matter, such as compost heaps or rotting vegetation, which acts as a natural incubator for the eggs until they hatch in late summer.

Nature of damage: The grass snake is non-destructive to plant health. It holds no agricultural significance as a pest. Their presence is generally viewed as an indicator of an ecologically healthy environment, as these reptiles are highly sensitive to soil and water pollution caused by excessive pesticide use.

Protection measures: Since the grass snake is not a pest, no control measures are required. They are often protected by law in many regions. To discourage their presence in farming areas, landowners can focus on proper field management:

• Maintain short vegetation along fences and field boundaries.
• Remove piles of debris, manure, or plant waste where snakes might hide or lay eggs.
• Control the moisture levels in areas adjacent to production facilities.