How do animals emigration?

Answer 1

First of all, animals don't "emigration" they migrate....and they migrate because they are born with the instict that they have to migrate to a certain place at a certain time of year

Answer 2

Animal emigration occurs when individuals or groups of animals leave their current habitat to move to a different location. This migration may be driven by factors such as seasonal changes, the search for better food resources, or the need to find suitable breeding grounds. Animals use various navigation cues, including landmarks, celestial cues, or senses such as smell and magnetism, to ensure they reach their desired destination.