Map of Vienna showing the location of the breeding site in Donaufeld (triangle) and breeding sites of B. viridis (red circles) and B. bufo (blue squares) recorded in 2015 and 2016 (Schweiger et al. 2016). Source: OpenStreetMap contributors (2020) Planet dump [Data file from 20 September 2021].

  Part of: Sistani A, Burgstaller S, Gollmann G, Landler L (2021) The European green toad, Bufotes viridis, in Donaufeld (Vienna, Austria): status and size of the population. Herpetozoa 34: 259-264.