In 1990, a year after the fall of the Berlin Wall, the animals were declared a protected species and the population began to grow again. Wolves were sighted in remote areas of eastern Germany after they entered from neighbouring Poland.
The discovery of wolves living and apparently breeding so close to such a large city is the first since Germany's 1990 reunification. Arnold said the areas of largely uninhabited forest in the surrounding state of Brandenburg and plenty of wild game were decisive factors.
"Anywhere a wolf finds peace and quiet and food offers the animals good living conditions," he said.
Since 1990 the number of wolf packs, with two parents and usually cubs aged up to 2, is estimated to have risen to 14 and are mostly in the former communist east.
Arnold said fear of wolves was unjustified as the animals were reclusive and shy of humans.
- Independent