Why animals migrate I need 5 new ideas exclude reproductio

Why animals migrate ? I need 5 new ideas (exclude : reproduction , seasons/cycle , gene flow , climate change and circumstantial)

Solution

Animals migrate in search of food, strength of selection, fecundity, interspecific competition, and will adapting themselves depend upon phenotypic variation. Some animals migrate for more livable conditions. They also move to find a place to hibernate. Migration is a behavioral adaptation, it helps animals survive over time.