Eberhard August Wilhelm von Zimmermann traveled through Europe and conducted research on economic conditions and natural resources, where he wrote Specimen Zoologiae Geographicae Quadrupedum (1777), one of the first works on the geographical distribution of mammals, a group of vertebrate animals characterized by the presence of mammary glands.
Eberhard August Wilhelm von Zimmermann traveled through Europe and conducted research on economic conditions and natural resources, where he wrote Specimen Zoologiae Geographicae Quadrupedum (1777), one of the first works on the geographical distribution of mammals, a group of vertebrate animals characterized by the presence of mammary glands.