An Opossum. Title: An Opossum. Description: An Opossum carrying its young on its back. General Collections Keywords: Sex Determination Processes; Reproduction. Credit line: : This file comes from Wellcome Images, a website operated by Wellcome Trust, a global charitable foundation based in the United Kingdom. Refer to Wellcome blog post (archive).This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.. References: Library reference: GC QS638 1889G29e Photo number: L0047664 Full Bibliographic Record: http://catalogue.wellcomelibrary.org/record=b1125665. Source/Photographer: https://wellcomeimages.org/indexplus/obf_images/bd/b2/7c25d8888851c91d9d8bec28643b.jpg Gallery: https://wellcomeimages.org/indexplus/image/L0047664.html Wellcome Collection gallery (2018-03-23): https://wellcomecollection.org/works/dbw9kswpCC-BY-4.0. Licensing[edit] : This file is licensed under the Creative CommonsAttribution 4.0 International license. :. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. https://creativecommons.org/licenses/by/4.0 CC BY 4.0 Creative Commons Attribution 4.0 truetrue.