Information
Digital ID
man000124-012
Cable to detector now concealed. (DG) Terrain around the concealed detector at Colville River. (DG) Record obtained by radiation detector of semipalmated plover showing the precise pen movement when it returns to nest. One bird removed 55 miles away to unfamiliar ground returned to nest in lip hours, on familiar ground it returned in 5»5 hours. (DG)