The Bavarian mountains, lakes and forests in the South of Germany, including the famous Black Forest, is one of the most beautiful regions of Europe.
Last week, three ducks were found dead near Speichersee, a lake to the northeast of Munich.
Two out of three ducks found dead there, were confirmed to have been carrying the H5N1 virus.
The surrounding area is being searched for any other dead birds.
It is reported that many more wild birds have been found dead of the H5N1 bird flu virus in Germany.
The Bavarian Police said that the restrictions on movement had been put in place around the Speichersee lake, east of Munich.
Press reports said around 14 other birds had also been found dead in the area, but it was not known if they were infected with the virus, which is potentially deadly to humans.
More than 150 wild birds have died of H5N1 in southern and eastern Germany in the past few weeks.
Domestic poultry was found to have been infected with the H5N1 virus last month in Germany.
The disease was found in a smallholding in the eastern state of Thueringen.
It was the first time this year that the highly pathogenic strain of avian flu had been found among domestic birds in Germany.
Scientists have suggested it could have jumped the border from the neighbouring Czech Republic where it has infected poultry on large turkey and chicken farms.
A number of countries have banned poultry exports from Germany, which battled a widespread bird flu epidemic in 2006. The disease spread to mammals last year, infecting three cats and a marten.
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