1.Previous
3.Next

their migratory paths. Despite many differences in organisms' migratory cues and behaviors, "considerable similarities appear to exist in the cues involved in the different phases of migration." Migratory organisms use environmental cues like photoperiod and weather conditions, as well as internal cues like hormone levels, to determine when it is time to begin a migration. Furthermore, weather conditions and thermal updrafts, in particular, play an important role as animals migrate more easily when winds

1.Previous
3.Next