Wormer- en Jisperveld

The Wormer- en Jisperveld is a nature area, covering 18 km2 (of which 0.7 km2 are a protected area), situated between the towns De Rijp, Purmerend en Wormerveer.

The Wormer- en Jisperveld contains nationally important populations of nesting birds as the great bittern, ruff, godwit, gadwall and shoveler.

The area is also important for foraging birds as for instance the spoonbill and various species of snipes and harriers.

The Wormer- en Jisperveld is also one of the last havens for the unique and rare Dutch subspecies of the tundra vole (Microtus oeconomus arenicola).

The water and soil of the Wormer- en Jisperveld is brackish.