A Wilson’s phalarope took to the skies in north-central Montana before dawn on June 21 and flew about 350 miles to eastern Idaho in 6½ hours. Its unexpected journey, captured by the Motus Wildlife Tracking System, is among the migration data researchers are collecting through a growing network of tracking towers across the continent. In the Gallatin Valley, the Sacajawea Audubon Society has built three Motus towers and plans a fourth to support …