He has studied the migration patterns of several bird species for eight years.
All you people have to use the migration stream when you go to another country!
The nouns in the sentence are hibernation and migration, compound object of the preposition 'by'.
There is a simple migration path from rental to investment in property.
Early people did not cultivate food, so they had to resort to continual migration to the places where the food naturally occurred
Birds migrate to the South for the winter time.
Example sentence - The hummingbirds were ready for their migration south for the winter.
The birds flew South for their migration in the Winter.
I enjoy watching the Least Tern's yearly migration.
The Great Migration made an impact on the Northern States.
use it as the first word e.g. migration is what birds do to survive
In the winter the bear went into a cave untill the winter was over, thats called migration.
All you people have to use the migration stream when you go to another country!
There were migratory butterflies.
The nouns in the sentence are hibernation and migration, compound object of the preposition 'by'.
The monarch butterflies undergo annual migration from Canada to Mexico to escape the cold winter temperatures.
There is a simple migration path from rental to investment in property.
Early people did not cultivate food, so they had to resort to continual migration to the places where the food naturally occurred