![](/nationalgeographic/trailblazer_october_2018/the_magic_behind_their_movement/204578/.Bg_vid.mp4.2048_0_1.jpg)
ByBrennaMaloney
Atanymomentintheworld,millionsofanimalsareonthemove.Buthowdotheyknowwhere,when,andhowtogo?
Wildlife
Traits
Asyouread,makealistofthedifferentreasonswhyanimals migrate.
ByBrennaMaloney
Atanymomentintheworld,millionsofanimalsareonthemove.Buthowdotheyknowwhere,when,andhowtogo?
Asyouread,makealistofthedifferentreasonswhyanimals migrate.