Pied Avocet, Black-capped Avocet, Eurasian Avocet or just Avocet

Description:

It's a large black and white wader in the avocet and stilt family. Adults have white plumage except for a black cap and black patches in the wings and on the back. They have long, upturned bills and long, bluish legs. It is approximately 42–45.1 cm in length of which the bill is approximately 7.5–8.5 cm and the legs are approximately 7.6–10 cm. Its wing-span is approximately 76–80 cm. (Wikipedia)

Habitat:

They breed in temperate Europe and western and Central Asia. It is a migratory species and most winter in Africa or southern Asia. Some remain to winter in the mildest parts of their range, for example in southern Spain and southern England. Their breeding habitat is shallow lakes with brackish water and exposed bare mud. They nest on open ground, often in small groups, sometimes with other waders. 3-5 eggs are laid in a lined scrape or on a mound of vegetation. (Wikipedia) Almost the only place where you can find these birds int he middle of Europe is at the nature reserve "Neusiedler See".