By Brenna Maloney
At any moment in the world, millions of animals are on the move. But how do they know where, when, and how to go?
Wildlife
Life Science
As you read, make a list of the mechanisms that trigger an animal's migration.
By Brenna Maloney
At any moment in the world, millions of animals are on the move. But how do they know where, when, and how to go?
As you read, make a list of the mechanisms that trigger an animal's migration.