Salisbury Zoo North American Bison celebrate birthday May 18, 2023 Sarah Ash, SALISBURY, Md. – Happy 5th birthday to Opal Lee and Ruby Jean. The pair are the Salisbury Zoo’s North American Bison. We want to hear your good news, just email newsroom@47abc.com. Categories: Good News 47 Tags: good news, north american bison, opal lee, ruby jean, salisbury zoo FacebookTwitter