This geographic tern's 20,000-mile trip gives it the longest migration of any bird
.... Canada's 
postal service claims itself among these believers, giving the postal... [DOC] [TLE] A Collection of Curricula for the STARLAB Bird Migration Cylinder [PAR] The Bird Migration Cylinder Curriculum Guide by John T. Meader of .... to give 
you an overview of several different types of migrations that are typical of ... Arctic 
Terns .