The last relates to regular, predictable travel (like a sales representative crossing her territory or a judge riding her circuit), bringing to mind perhaps seasonal migration. (educationnext.org)
Some indigenous communities are changing seasonal migration and hunting patterns to adapt to changes in temperature. (dotearth.blogs.nytimes.com)
Geographical dissemination of Leptospiria interrogans serovar Pomona during seasonal migration of California sea lions. (marinemammalcenter.org)