Amphibia Web AmphibiaWeb provides information on amphibian declines, natural history, conservation, and taxonomy.
CalPhotos "CalPhotos is a collection of 560,965 photos of plants, animals, fossils, people, and landscapes from around the world. A variety of organizations and individuals have contributed photographs to CalPhotos." / University of California
European butterflies & moths Gesellschaft für Schmetterlingsschutz (GfS) mit Sitz am Helmholtz-Zentrum für Umweltforschung UFZ in Halle (Saale)
Tierlexikon Deutsche und lateinische Nomenklatur, systematisch und alphabetisch geordnet. Privates Internetprojekt.
Wandtafeln zur Zoologie von Rudolph Leuckart
"Rudolf Leuckart's Wandtafeln (wall charts), produced from 1877 to 1892, were used worldwide as teaching aids. Fol. I consists of 101 charts and Fol. II consists of 13 charts. These remarkable charts, now stored in a specially constructed cabinet in a controlled environment, have been repaired, tabulated, photographed, and digitized so that they can continue to be a unique teaching aid in the study of zoology."