作者单位:
Colorado Cooperative Fish and Wildlife Research UnitU.S. Geological SurveyFort Collins,CO,USA
[1]
Department of BiologyStanford UniversityStanford,CA,USA
[2]
Department of Fish, Wildlife and Conservation BiologyColorado State UniversityFort Collins,CO,USA
[3]
Urban Wildlife InstituteLincoln Park ZooChicago,IL,USA
[4]
发布时间
2018-08-28