BEMIDJI — Neilson Spearhead Nature Preserve will host a Bird Language 101 workshop from 9 a.m. to 1 p.m. on Saturday, June 27, at 48851 County 29, south of Bemidji. "Have you ever wondered what birds are communicating when they sing, call or suddenly fall silent? Join us for Bird Language 101, an engaging introduction to the fascinating world of bird communication and awareness in nature," a release said. Attendees will learn how birds use vocal…