Die Säugthiere in Abbildungen nach der Natur /.
Erlangen :Expedition des Schreber'schen säugthier- und des Esper'schen Schmetterlingswerkes [etc.,1774]-1846..
biodiversitylibrary.org/page/31060166
Description: English: Female Two Fingered Sloth at Cerro Azul, Panama. Date: 9 February 2009. Source: Own work. Author: Nicoberto. Permission(Reusing this file): Public domainPublic domainfalsefalse. : This work has been released into the public domain by its author, username. This applies worldwide. In some countries this may not be legally possible; if so: username grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law..
Description: Linnaeus’s Two-toed Sloth Choloepus didactylus (stuffed) in Bristol Museum, Bristol, England. Taken by Adrian Pingstone in February 2006 and placed in the public domain. Date: 7 February 2006 (according to Exif data). Source: Own work. Author: Arpingstone.