Every year the management of the biosphere reserver Wienerwald organises the Day of species diversity. The aim of this event is to get as many experts of different species groups as possible together and visit interesting areas of the biosphere reserve to get an overview of the diversity of this region. The results are then shown to the public in a nice event in the afternoon, where visitors also can join guided tours and gather information about different organsisms at some information desks. Finally, a popular science booklet is published with the results of this year.

In 2017 the society MoFA was represenred by 4 experts, Michael Duda, Otto Moog, Alexander Mrkvicka and Jan Steger. In total the group of Erhard Christian, Michael Duda, Otto Moog, Georg & Alexander Mrkvicka and Jan Steger could find 67 mollusc taxa. Especially the finding of living individuals of the FFH-listed species Vertigo angustior as well as three further Vertigo species is very remarkable. Furthermore, Ancylus fluviatilis was found in the river Schwechat, a species then only occurs in very clear waters and is not very abundant in the area of the Vienna Woods.