1: Geese prepare for their long journey.

2: Flying in V formation for efficiency.

3: Resting at stopover locations for fuel.

4: Navigating using instinct and landmarks.

5: Surviving harsh weather conditions en route.

6: Arriving at winter grounds for food.

7: Establishing territories in new habitats.

8: Socializing with other geese in the flock.

9: Preparing for the return journey in spring.