#WorldFrogDay: #DYK that over 1/3 of frog species are currently listed as threatened? That includes #1 on this plate, the Giant Marsupial Frog (Gastrotheca ovifera). (See ALTs for full species key)
"Batrachia" Plate 68 in Kunstformen der Natur (1899-1904) by Ernst Haeckel (German, 1834-1919).
Biodiversity Heritage Library: https://www.biodiversitylibrary.org/item/182319#page/359/mode/1up