Its collection, which extends over 16.5 ha, comprises 286 species with a total of 2130 individual animals (as of 31 December 2020).

[1] The site of the modern zoo was home in 1895 to the Northeast German industrial and craft exhibition.

Its supervisor Hermann Claaß proposed keeping the wooden pavilions to make a zoological garden.

Walter Rosenberg built a statue in his honor, which was erected on the main avenue of the park on 13 June.

After the war the sculpture disappeared and was rediscovered only much later, in a private residence on Vatunin street occupied by the Gosstrakh.