Nekkeveld Estate
The Polder oasis Nekkeveld estate is an area located in the urban heart of Holland, the Netherlands, near Amsterdam, and is part of the hamlet Nekkeveld. This green oasis is situated in the delta of the Dutch Randstad, at the foot of the former Zuiderzee dyke and near the drowned Castle Hulkestein, now lake Nijkerkernauw. The natural status of the area is protected for its flora and fauna (water and meadow birds) by regional and European law: Natura 2000. The notability of Nekkeveld estate in this respect is acknowledged by the independent governmental waterboard ''Waterschap Vallei en Veluwe'', stating this "(...) improves ecosystems for water animals and meadow birds". Also, the governmental institution Staatsbosbeheer (Dutch Forestry Commission) specifically notified the project for its breeding results with the godwit, Holland's national bird. ''God created the world, and the Dutch created: Holland (English saying).'' Started in the late 20th century as the project Nekkeveld ...
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Marinus Adrianus Koekkoek The Younger
Marinus Adrianus Koekkoek, known as The Younger (29 January 1873, Amsterdam - 30 May 1944, Amsterdam) was a Dutch animal painter, who specialized in birds. He is referred to as "the younger" to distinguish him from his great-uncle, the landscape painter, Marinus Adrianus Koekkoek, after whom he was named. Life and work He was a member of the famous ; son of the cityscape painter, Willem Koekkoek; grandson of Hermanus Koekkoek, and great-grandson of Johannes Hermanus Koekkoek. His brother, Hermanus Willem, also became a painter; specializing in military subjects. His father gave him and Hermanus their first art lessons. His career began and ended in Amsterdam. In between, he spent twenty years at the Rijksmuseum van Oudheden, in Leiden, illustrating academic works. He is best-known for his watercolor illustrations; notably ''Ornithologia Neerlandica: de vogels van Nederland'', by Eduard Daniël van Oort, which was published in five parts from 1922 to 1935. He also created c ...
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Godwit Birds
The godwits are a group of large, long-billed, long-legged and strongly migratory waders of the bird genus ''Limosa''. Their long bills allow them to probe deeply in the sand for aquatic worms and molluscs. In their winter range, they flock together where food is plentiful. They frequent tidal shorelines, breeding in northern climates in summer and migrating south in winter. A female bar-tailed godwit made a flight of 29,000 km (18,000 mi), flying of it without stopping. In 2020 a male bar-tailed godwit flew about non-stop in its migration from Alaska to New Zealand, previously a record for avian non-stop flight. In October 2022, a 5 month old, male bar-tailed godwit was tracked from Alaska to Tasmania, a trip that took 11 days, and recorded a non-stop flight of . The godwits can be distinguished from the curlews by their straight or slightly upturned bills, and from the dowitchers by their longer legs. The winter plumages are fairly drab, but three species have re ...
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Mixed Greylag & Canada Goose Flock, Netherlands
Mixed is the past tense of ''mix''. Mixed may refer to: * Mixed (United Kingdom ethnicity category), an ethnicity category that has been used by the United Kingdom's Office for National Statistics since the 1991 Census * ''Mixed'' (album), a compilation album of two avant-garde jazz sessions featuring performances by the Cecil Taylor Unit and the Roswell Rudd Sextet See also * Mix (other) * Mixed breed, an animal whose parents are from different breeds or species * Mixed ethnicity Mixed race people are people of more than one race or ethnicity. A variety of terms have been used both historically and presently for mixed race people in a variety of contexts, including ''multiethnic'', ''polyethnic'', occasionally ''bi-eth ...

Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire and transitioned into the Renaissance and the Age of Discovery. The Middle Ages is the middle period of the three traditional divisions of Western history: classical antiquity, the medieval period, and the modern period. The medieval period is itself subdivided into the Early, High, and Late Middle Ages. Population decline, counterurbanisation, the collapse of centralized authority, invasions, and mass migrations of tribes, which had begun in late antiquity, continued into the Early Middle Ages. The large-scale movements of the Migration Period, including various Germanic peoples, formed new kingdoms in what remained of the Western Roman Empire. In the 7th century, North Africa and the Middle East—most recently part of the Eastern Ro ...
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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 separated from the sea or river by a dike # Marshes separated from the surrounding water by a dike and subsequently drained; these are also known as ''koogs'', especially in Germany The ground level in drained marshes subsides over time. All polders will eventually be below the surrounding water level some or all of the time. Water enters the low-lying polder through infiltration and water pressure of groundwater, or rainfall, or transport of water by rivers and canals. This usually means that the polder has an excess of water, which is pumped out or drained by opening sluices at low tide. Care must be taken not to set the internal water level too low. Polder land made up of peat (former marshland) will sink in relation to its previous l ...
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Natura 2000
Natura 2000 is a network of nature protection areas in the territory of the European Union. It is made up of Special Areas of Conservation and Special Protection Areas designated under the Habitats Directive and the Birds Directive, respectively. The network includes both terrestrial and Marine Protected Areas. History In May 1992, the governments of the European Communities adopted legislation designed to protect the most seriously threatened habitats and species across Europe. The Habitats Directive complements the Birds Directive adopted earlier in 1979 and together they make up the Natura 2000 network of protected areas. The Birds Directive requires the establishment of Special Protection Areas for birds. The Habitats Directive similarly requires Sites of Community Importance which upon the agreement of the European Commission become Special Areas of Conservation to be designated for species other than birds, and for habitat types (e.g. particular types of forest, grassland ...
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