They are called "migratory animals" http://www.thefreedictionary.com/migratory ex:eels.
Migratory animals contribute to your local animal population in a number of ways. The animals that eat them usually hibernate.
No, mustang horses are not migratory animals. They are known for roaming freely across large territories but do not have specific migratory patterns like some bird species or other migratory animals.
Tigers are not migratory animals.
Tundra
Hedgehogs are not migratory animals.
habitat defragmintation
The 3 migratory animals that come to India include the Amur falcons, African elephant and gnu. Most of these animals migrate in search of food and better breeding habitats.
Instinctive
Sorry there are none
Three migratory animals that can be found in Illinois are the American white pelican, the wood duck, and the ruby-throated hummingbird. These animals travel to Illinois seasonally to breed, feed, or seek better climatic conditions.
I would say migratory. The best I can come up with.