What are wombats? A guide to Australia's den-digging marsupial
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AP2010
FILE - Otto, a Tasmanian wombat, waddles around the Albuquerque BioPark Zoo's newest exhibit in Albuquerque, N.M., on Thursday, Dec. 9, 2010. (AP Photo/Susan Montoya Bryan)
AP2010
FILE - Otto, a Tasmanian wombat, waddles around the Albuquerque BioPark Zoo's newest exhibit in Albuquerque, N.M., on Thursday, Dec. 9, 2010. (AP Photo/Susan Montoya Bryan)