Cranes, migration and mating season

This video was made in Germany, by Sander Wansing from the Netherlands.

Its YouTube text says (translated):

March 19, 2013

Foraging cranes during a stopover in the Diepholzer Moorniederung. This group of 450 cranes stood southwest of Oppenweher Moor, just 20 meters behind a house on the Moordamm. During the spring migration, the cranes are only briefly present in this region and courtship behaviour and rivalry predominate.

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