The Zoological Museum of the Zoological Institute of the Russian Academy of Sciences

The Zoological Museum of the Zoological Institute of the Russian Academy of Sciences is a Russian museum devoted to zoology. It is one of the ten largest nature history museums in the world.

In the front hall of the museum is a monument to Karl Ernst von Baer by the entrance, as well as skeletons of cetaceans, including the enormous 27-metre-long (89 ft) blue whale, and mounted pinnipeds. In the gallery above the front hall, the entomological collection is displayed. The second and third halls form a long passage with systematic collections and dioramas dating back to the early 20th century. The second hall hosts the collection of fishes, amphibians, reptiles, birds and invertebrates, mounted or preserved in formalin, and their skeletons or shells. The collection of mammals, including woolly mammoths, is displayed in the third hall.