Baltimore Oriole Posted by Dave Noel on October 18, 2015 Posted in: oct 2015. Tagged: american birds, audubon, avain, backyard birds, baltimore oriole, bird migration, bird photography, bird photos, birding, BIRDS, canada birds, canadain birds, Florida birds, flyways, nature, neotropical, neotropical birds, north american birds, Ohio birds, orange birds, pinellas birds. 1 Comment One can set his clock at the arrival of the “Baltimore Oriole”. These are the most reliable of migrating birds, arriving in May, throughout the United States and southern Canada, within one or two days of the same date each year.