The collection contains annotated lists of mammal birds of the Kerzhensky Reserve, information on the number of excrement of the heath in 2001-2002. in the Nizhny Novgorod region, about the former (in the 40s - 50s of the last century, before the formation of the reserve) appearance of orni-tofauna . A special article is devoted to the current state of their thiofauna of small rivers of the Nizhny Novgorod Zavolzhye (the tributaries of the Gorky Reservoir and R. Branches). In the section on invertebrates, zooplankton of the Volga lakes, zoo-operiphyton of Kerzhenets and its tributary Cherry, fauna and ecology of spiders and haycats of the reserve, oribatids of anthills Formica rufa L. are considered. , wasp fauna. Based on research results from 1993-2001. , reflected in the Chronicle of Nature, an annotated list of invertebrates identified on the territory of the reserve and the protected zone. For conservation workers, conservationists, biologists, geographers, teachers, students.