''Duinen van Texel'' National Park (''duinen'' = dunes) is a

national park A national park is a nature park, natural park in use for conservation (ethic), conservation purposes, created and protected by national governments. Often it is a reserve of natural, semi-natural, or developed land that a sovereign state dec ...

located on the

North Holland North Holland ( nl, Noord-Holland, ) is a province of the Netherlands in the northwestern part of the country. It is located on the North Sea, north of South Holland and Utrecht, and west of Friesland and Flevoland. In November 2019, it had a ...

island of

Texel Texel (; Texels dialect: ) is a municipality and an island with a population of 13,643 in North Holland, Netherlands. It is the largest and most populated island of the West Frisian Islands in the Wadden Sea. The island is situated north of De ...

in the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

. All

dune A dune is a landform composed of wind- or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex. A large dune complex is called a dune field, while broad, f ...

systems on the western side of the

island An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...

and the large

coastal plain A coastal plain is flat, low-lying land adjacent to a sea coast. A fall line commonly marks the border between a coastal plain and a piedmont area. Some of the largest coastal plains are in Alaska and the southeastern United States. The Gulf Coa ...

s on both the northern and southern points of the island are part of the park. The park covers approximately and attained national park status in 2002. The

visitor center A visitor center or centre (see American and British English spelling differences), visitor information center, tourist information center, is a physical location that provides tourist information to visitors. Types of visitor center A visit ...

is located in the

natural history museum A natural history museum or museum of natural history is a scientific institution with natural history collections that include current and historical records of animals, plants, fungi, ecosystems, geology, paleontology, climatology, and more. ...

. In 1927

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

Jac. P. Thijsse Jacobus Pieter Thijsse (25 July 1865 – 8 January 1945) was a Dutch conservationist and botanist. He founded the Society for Preservation of Nature Monuments in the Netherlands. In 1925, on the occasion of his 60th birthday he was honored ...

made an illustrated book about the flora and fauna on the island, and pointed out the major environmental values of the island. This book was one of a series, the book was cheap, and the pictures for the book came free with each

Verkade Royal Verkade (Dutch: Koninklijke Verkade) is a Dutch manufacturing company, owned by a Turkish conglomerate. The company is headquartered in Zaandam and was one of the oldest existing family companies in the Netherlands. In November 2014 the comp ...

chocolate bar. There are many walking

trail A trail, also known as a path or track, is an unpaved lane or small road usually passing through a natural area. In the United Kingdom and the Republic of Ireland, a path or footpath is the preferred term for a pedestrian or hiking trail. Th ...

s which follow either red, yellow, blue or green signs The green routes are not accessible during the bird breeding season. Many bicycle trails cross the park as well.

Areas

From south to north the park comprises the following areas: *De Hors *De Geul *De Mok *De Bollekamer *De Westerduinen *De Dennen *Het Duinpark *Calnifornië-bos *De Seetingsnollen *Camping Kogerstrand *De Muy *De Slufter *De Haneplas *Krimbos *Eijerlandse Duinen *Camping de Robbejager

De Hors

''The Hors'' is at the most southerly point of Texel and is largely owned by the

Dutch Ministry of Defence The Ministry of Defence ( nl, Ministerie van Defensie; MinDef) is the Dutch Ministry responsible for the armed forces of the Netherlands and Veterans Affairs. The Ministry was created in 1813 as the "Ministry of War" and in 1928 was combined ...

. The terrain is used for

amphibious Amphibious means able to use either land or water. In particular it may refer to: Animals * Amphibian, a vertebrate animal of the class Amphibia (many of which live on land and breed in water) * Amphibious caterpillar * Amphibious fish, a fish ...

training. The defense complex build on the ''Mok bay'' is called ''de Mok''. The southern part of the Hors is a large

which was formed because in the past

shoal In oceanography, geomorphology, and geoscience, a shoal is a natural submerged ridge, bank, or bar that consists of, or is covered by, sand or other unconsolidated material and rises from the bed of a body of water to near the surface. It ...

s "walked" toward the island, the last shoal to do so was ''Onrust'' in 1910. On the plains new

s are being formed. On the newest dunes "biestarwegras" (''

Elytrigia juncea ''Thinopyrum junceum'', commonly named sand couch-grass, is a species of grass in the family Poaceae. It is found in Europe and temperate Asia, and grows from rhizomes. They have a self-supporting growth form and simple, broad leaves. Individua ...

'' subsp. ''boreoatlantica'') is found, and on the somewhat older dunes you will find

marram grass ''Ammophila'' (synonymous with ''Psamma'' P. Beauv.) is a genus of flowering plants consisting of two or three very similar species of grasses. The common names for these grasses include marram grass, bent grass, and beachgrass. These grasses ar ...

. In the moist dune valleys

Parnassia The genus ''Parnassia'', also known as grass of Parnassus or bog-stars, are plants now placed in the family Celastraceae, formerly classified in Parnassiaceae or Saxifragaceae. The plants occur in arctic and alpine habitats, as well as in dune ...

Dactylorhiza ''Dactylorhiza'' is a genus of flowering plants in the orchid family Orchidaceae. Its species are commonly called marsh orchids or spotted orchids. ''Dactylorhiza'' were previously classified under ''Orchis'', which has two round tubers. Descrip ...

and

Centaurium ''Centaurium'' (centaury) is a genus of 20 species in the gentian family (Gentianaceae), tribe Chironieae, subtribe Chironiinae. The genus was named after the centaur Chiron, famed in Greek mythology for his skill in medicinal herbs. It is dist ...

have sprung. The ''Kreeftenpolder'' is a dune valley which was formed because a sandbar was built separating it from the coastal plain. The supervisor of the project, Jaap Kreeft gave the

polder A polder () is a low-lying tract of land that forms an artificial hydrological entity, enclosed by embankments known as dikes. The three types of polder are: # Land reclaimed from a body of water, such as a lake or the seabed # Flood plains s ...

its name. In the valley the ''

Liparis loeselii ''Liparis loeselii'', the fen orchid, yellow widelip orchid, or bog twayblade, is a species of orchid. It is native to Europe, northern Asia, the eastern United States, and eastern Canada. It grows in fens, bogs and dune A dune is a la ...

'' and the "armbloemige waterbies" (''

Eleocharis quinqueflora ''Eleocharis quinqueflora'' is a species of spikesedge known by the common names fewflower spikerush and few-flowered spike-rush. It is widespread across Europe, North Africa, northern Asia (Siberia, China, Kazakhstan, Himalayas, etc.), and Nor ...

'') grow. Since the year 2000 a large part of it is flooded. On the other side of the sandbar two small

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

s have formed, the ''Horsmeertjes''.

De Geul

''The Geul'' is a wet dune valley, originally it was part of ''Mok bay'', but a

dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, a ...

was built so that

drinking water Drinking water is water that is used in drink or food preparation; potable water is water that is safe to be used as drinking water. The amount of drinking water required to maintain good health varies, and depends on physical activity level, a ...

could be extracted from the dunes. Here the largest colony on Texel of

common spoonbill The Eurasian spoonbill (''Platalea leucorodia''), or common spoonbill, is a wading bird of the ibis and spoonbill family Threskiornithidae. The genus name ''Platalea'' is from Latin and means "broad", referring to the distinctive shape of the b ...

breeds. After the extraction of water stopped in 1993 the area became much wetter. Through a

ditch A ditch is a small to moderate divot created to channel water. A ditch can be used for drainage, to drain water from low-lying areas, alongside roadways or fields, or to channel water from a more distant source for plant irrigation. Ditches ar ...

with

fish ladders A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as movemen ...

, water can escape to ''the Mok'', and

three-spined stickleback The three-spined stickleback (''Gasterosteus aculeatus'') is a fish native to most inland and coastal waters north of 30°N. It has long been a subject of scientific study for many reasons. It shows great morphological variation throughout its ra ...

can enter ''the Geul'' from the

Wadden Sea The Wadden Sea ( nl, Waddenzee ; german: Wattenmeer; nds, Wattensee or ; da, Vadehavet; fy, Waadsee, longname=yes; frr, di Heef) is an intertidal zone in the southeastern part of the North Sea. It lies between the coast of northwestern conti ...

. The presence of these fish made the spoonbills decide to breed here. Both highland cattle and

Exmoor ponies The Exmoor pony is one of the mountain and moorland pony breeds native to the British Isles. Some still roam as semi-feral livestock on Exmoor, a large area of moorland in Devon and Somerset in southwest England. The Exmoor has been given "P ...

graze in the area.

De Bollekamer

''The Bollekamer'' is situated between beach poles 9 and 12, north of Den Hoorn. In the eastern part rocky

loam Loam (in geology and soil science) is soil composed mostly of sand (particle size > ), silt (particle size > ), and a smaller amount of clay (particle size < ). By weight, its mineral composition is about 40–40–20% concentration of sand–sil ...

is found very near the surface, this surface does not let water through, therefore this area has the highest

groundwater Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in the fractures of rock formations. About 30 percent of all readily available freshwater in the world is groundwater. A unit of rock or an unconsolidate ...

level of the entire dune system. The valleys are influenced by the

lime Lime commonly refers to: * Lime (fruit), a green citrus fruit * Lime (material), inorganic materials containing calcium, usually calcium oxide or calcium hydroxide * Lime (color), a color between yellow and green Lime may also refer to: Botany ...

rich groundwater. Highland cattle graze on ''the Bollekamer''. Muy vegetatie

De Muy

''The Muy'' is named after the dune lake that was formed when the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...

broke through the outer dunes in 1851. This is the oldest known breeding spot for the spoonbill on Texel. In the 1990s the number of spoonbills decreased, while more breeding

great cormorant The great cormorant (''Phalacrocorax carbo''), known as the black shag in New Zealand and formerly also known as the great black cormorant across the Northern Hemisphere, the black cormorant in Australia, and the large cormorant in India, is a w ...

s came to the area. ''De Nederlanden'' is also part of ''the Muy'', in a

land improvement Land development is the alteration of landscape in any number of ways such as: * Changing landforms from a natural or semi-natural state for a purpose such as agriculture or House, housing * subdivision (land), Subdividing real estate into Lot (re ...

project

pasture Pasture (from the Latin ''pastus'', past participle of ''pascere'', "to feed") is land used for grazing. Pasture lands in the narrow sense are enclosed tracts of farmland, grazed by domesticated livestock, such as horses, cattle, sheep, or swine ...

s were made. That area is now managed extensively. Among other plants the

Green-winged Orchid ''Anacamptis morio'', the green-winged orchid or green-veined orchid ( synonym ''Orchis morio''), is a flowering plant of the orchid family, Orchidaceae. It usually has purple flowers, and is found in Europe and the Middle East. Description It f ...

grows here.

De Slufter

The main part of ''the Slufter'' is a wide dune valley which has an open connection to the

through a hole in the outer dunes . At

high tide Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables can ...

seawater streams into ''the Slufter'' though creeks and at low tide it streams out again. The large ''Sluftercreek'' at the beach is where the water comes through most of the time. Over time the creek has moved in a northern direction. Because this creek was heavily damaging the dunes on the northern side in May 2004, intervention was needed. A new creek was constructed on the far most southern part of ''the Slufter'', and the old creek was closed up a week later. On an average high tide the seawater only gets into the creeks and small lakes, on an extreme high tide the larger part of ''the Slufter'' is inundated. The vegetation consists largely of

salt marsh A salt marsh or saltmarsh, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. It is dominated ...

plants. In June the area colors mainly purple because of the

Sea-lavender ''Limonium'' is a genus of 120 flowering plant species. Members are also known as sea-lavender, statice, caspia or marsh-rosemary. Despite their common names, species are not related to the lavenders or to rosemary. They are instead in Plumbag ...

. In October it is mainly red because of the

Common glasswort ''Salicornia europaea'', known as common glasswort or just glasswort, is a halophytic annual dicot flowering plant in the family Amaranthaceae. Glasswort is a succulent herb also known as ‘Pickle weed’ or ‘Marsh samphire’. As a succulen ...

Sea-buckthorn ''Hippophae'' is the genus of sea buckthorns, deciduous shrubs in the family Elaeagnaceae. The name sea buckthorn may be hyphenated to avoid confusion with the unrelated true buckthorns (''Rhamnus'', family Rhamnaceae). It is also referred to as ...

also grows here. Many

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

s visit ''the Slufter'' estuary. The

common eider The common eider (pronounced ) (''Somateria mollissima''), also called St. Cuthbert's duck or Cuddy's duck, is a large ( in body length) sea-duck that is distributed over the northern coasts of Europe, North America and eastern Siberia. It bree ...

breeds here, the

spoonbill Spoonbills are a genus, ''Platalea'', of large, long-legged wading birds. The spoonbills have a global distribution, being found on every continent except Antarctica. The genus name ''Platalea'' derives from Ancient Greek and means "broad", refe ...

comes to

forage Forage is a plant material (mainly plant leaves and stems) eaten by grazing livestock. Historically, the term ''forage'' has meant only plants eaten by the animals directly as pasture, crop residue, or immature cereal crops, but it is also used m ...

and a variety of

wader 245px, A flock of Dunlins and Red knots">Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflat ...

s only enter on a high tide. Many

seashells A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal or organism that lives in the sea. The shell is part of the body of the animal. Empty seashells are often found washe ...

of the present sea fauna, as well as many

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

seashells dating back to the

Eemian Stage The Eemian (also called the last interglacial, Sangamonian Stage, Ipswichian, Mikulin, Kaydaky, penultimate,NOAA - Penultimate Interglacial Period http://www.ncdc.noaa.gov/global-warming/penultimate-interglacial-period Valdivia or Riss-Würm) wa ...

wash on to the

of ''the Slufter''. ''The Slufter'' is separated from the

by two long dune strips, this area is called ''De Lange Dam''. In between the dune stripes there is a valley with fresh water, many

orchids Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...

grow here.

Fauna

has a very rich variety of species.

Birds

Commonly sighted

s on the island are:

greylag goose The greylag goose or graylag goose (''Anser anser'') is a species of large goose in the waterfowl family Anatidae and the type species of the genus ''Anser''. It has mottled and barred grey and white plumage and an orange beak and pink legs. A ...

brent goose The brant or brent goose (''Branta bernicla'') is a small goose of the genus '' Branta''. There are three subspecies, all of which winter along temperate-zone sea-coasts and breed on the high-Arctic tundra. The Brent oilfield was named after ...

shelduck The shelducks, most species of which are found in the genus ''Tadorna'' (except for the Radjah shelduck, which is now found in its own monotypic genus ''Radjah''), are a group of large birds in the Tadorninae subfamily of the Anatidae, the biologi ...

wigeon The wigeons or widgeons are a group of birds, dabbling ducks currently classified in the genus ''Mareca'' along with two other species. There are three extant species of wigeon, in addition to one recently extinct species. Biology There are t ...

eider Eiders () are large seaducks in the genus ''Somateria''. The three extant species all breed in the cooler latitudes of the Northern Hemisphere. The down feathers of eider ducks, and some other ducks and geese, are used to fill pillows and quilt ...

scoter The scoters are stocky seaducks in the genus ''Melanitta''. The drakes are mostly black and have swollen bills, the females are brown. They breed in the far north of Europe, Asia, and North America, and winter farther south in temperate zones of ...

oystercatcher The oystercatchers are a group of waders forming the family Haematopodidae, which has a single genus, ''Haematopus''. They are found on coasts worldwide apart from the polar regions and some tropical regions of Africa and South East Asia. The e ...

pied avocet The pied avocet (''Recurvirostra avosetta'') is a large black and white wader in the avocet and stilt family, Recurvirostridae. They breed in temperate Europe and across the Palearctic to Central Asia then on to the Russian Far East. It is a mig ...

golden plover '' Pluvialis '' is a genus of plovers, a group of wading birds comprising four species that breed in the temperate or Arctic Northern Hemisphere. In breeding plumage, they all have largely black underparts, and golden or silvery upperparts. Th ...

, peewit,

knot A knot is an intentional complication in cordage which may be practical or decorative, or both. Practical knots are classified by function, including hitches, bends, loop knots, and splices: a ''hitch'' fastens a rope to another object; a ' ...

dunlin The dunlin (''Calidris alpina'') is a small wader, formerly sometimes separated with the other "stints" in the genus ''Erolia''. The English name is a dialect form of "dunling", first recorded in 1531–1532. It derives from ''dun'', "dull brown ...

bar-tailed godwit The bar-tailed godwit (''Limosa lapponica'') is a large and strongly migratory wader in the family Scolopacidae, which feeds on bristle-worms and shellfish on coastal mudflats and estuaries. It has distinctive red breeding plumage, long legs, an ...

common pheasant The common pheasant (''Phasianus colchicus'') is a bird in the pheasant family (biology), family (Phasianidae). The genus name comes from Latin ''phasianus'', "pheasant". The species name ''colchicus'' is Latin for "of Colchis" (modern day Geor ...

european herring gull The European herring gull (''Larus argentatus'') is a large gull, up to long. One of the best-known of all gulls along the shores of Western Europe, it was once abundant. It breeds across Northern Europe, Western Europe, Central Europe, Eastern ...

lesser black-backed gull The lesser black-backed gull (''Larus fuscus'') is a large gull that breeds on the Atlantic coasts of Europe. It is migratory, wintering from the British Isles south to West Africa. It has increased dramatically in North America, most common alo ...

black-headed gull The black-headed gull (''Chroicocephalus ridibundus'') is a small gull that breeds in much of the Palearctic including Europe and also in coastal eastern Canada. Most of the population is migratory and winters further south, but some birds res ...

common tern The common tern (''Sterna hirundo'') is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory ...

sandwich tern The Sandwich tern (''Thalasseus sandvicensis'') is a tern in the family Laridae. It is very closely related to the lesser crested tern (''T. bengalensis''), Chinese crested tern (''T. bernsteini''), Cabot's tern (''T. acuflavidus''), and elegan ...

short-eared owl The short-eared owl (''Asio flammeus'') is a widespread grassland species in the family Strigidae. Owls belonging to genus ''Asio'' are known as the eared owls, as they have tufts of feathers resembling mammalian ears. These "ear" tufts may or ...

and the

hen harrier The hen harrier (''Circus cyaneus'') is a bird of prey. It breeds in Eurasia. The term "hen harrier" refers to its former habit of preying on free-ranging fowl. It migrates to more southerly areas in winter. Eurasian birds move to southern Eur ...

. Many passerine birds make their home within the dunes, such as

starling Starlings are small to medium-sized passerine birds in the family Sturnidae. The Sturnidae are named for the genus ''Sturnus'', which in turn comes from the Latin word for starling, ''sturnus''. Many Asian species, particularly the larger ones, ...

northern wheatear The northern wheatear or wheatear (''Oenanthe oenanthe'') is a small passerine bird that was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscicapidae. It is the ...

european stonechat The European stonechat (''Saxicola rubicola'') is a small passerine bird that was formerly classed as a subspecies of the common stonechat. Long considered a member of the thrush family, Turdidae, genetic evidence has placed it and its relativ ...

whinchat The whinchat (''Saxicola rubetra'') is a small migratory passerine bird breeding in Europe and western Asia and wintering in central Africa. At one time considered to be in the thrush family, Turdidae, it is now placed in the Old World flycat ...

white wagtail The white wagtail (''Motacilla alba'') is a small passerine bird in the family Motacillidae, which also includes pipits and longclaws. The species breeds in much of Europe and the Asian Palearctic and parts of North Africa. It has a toehold in ...

western yellow wagtail The western yellow wagtail (''Motacilla flava'') is a small passerine in the wagtail family Motacillidae, which also includes the pipits and longclaws. This species breeds in much of temperate Europe and Asia. It is resident in the milder parts ...

and

meadow pipit The meadow pipit (''Anthus pratensis'') is a small passerine bird, which breeds in much of the Palearctic, from southeastern Greenland and Iceland east to just east of the Ural Mountains in Russia, and south to central France and Romania; an isol ...

Mammals

Within the dunes itself common mammals to be found are

rabbits Rabbits, also known as bunnies or bunny rabbits, are small mammals in the family Leporidae (which also contains the hares) of the order Lagomorpha (which also contains the pikas). ''Oryctolagus cuniculus'' includes the European rabbit specie ...

hares Hares and jackrabbits are mammals belonging to the genus ''Lepus''. They are herbivores, and live solitarily or in pairs. They nest in slight depressions called forms, and their young are able to fend for themselves shortly after birth. The gen ...

hedgehogs A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introduction ...

, various small rodents (mice, voles) and the

stoat The stoat (''Mustela erminea''), also known as the Eurasian ermine, Beringian ermine and ermine, is a mustelid native to Eurasia and the northern portions of North America. Because of its wide circumpolar distribution, it is listed as Least Conc ...

. The beaches, sandbanks and surrounding waters are home to two species of seal,

common seal The harbor (or harbour) seal (''Phoca vitulina''), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinnipeds, pinniped (walruses ...

and

grey seal The grey seal (''Halichoerus grypus'') is found on both shores of the North Atlantic Ocean. In Latin Halichoerus grypus means "hook-nosed sea pig". It is a large seal of the family Phocidae, which are commonly referred to as "true seals" or " ...

, as well as

porpoises Porpoises are a group of fully aquatic marine mammals, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales). Although similar in appearance to dolphins, they are more closely related to narwhals an ...

References

External links

Official website

A complete list of the avifauna of Texel (other species groups available as well)
{{authority control Protected areas established in 2002 2002 establishments in the Netherlands Ramsar sites in the Netherlands Dunes of the Netherlands National parks of the Netherlands Parks in North Holland Texel