Why do some animals migrate long distances?

Some animals migrate long distances to find better food sources, breeding grounds, or to escape harsh environmental conditions. For instance, many birds migrate to warmer climates in winter to ensure a steady food supply and better weather conditions for survival. Marine animals like sea turtles travel across oceans to return to the beaches where they were born to lay eggs. Migration is often triggered by environmental cues, such as temperature changes, the availability of food, and daylight hours.