{"id":"S2009008921","label":"Migratory birds","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009008921","normalized_label":"migratory birds","broader":["http://id.loc.gov/authorities/subjects/sh2008020036","http://id.loc.gov/authorities/subjects/sh85014310"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009008921","provider":"lcsh","revision":"f587bc45aa388513","taxonomy_revision":"f050b5d4780b1289","title":"Migratory birds","url":"/topics/S2009008921","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5531629814366234144","address_version":"morton4x16-v1","coordinates":[0,478,64556,25600],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}