Based on banding studies, some researchers believe the birds follow the same route every year. And some homeowners insist that they see the same birds return annually.

• 根据一些系统研究，有些研究人员认为蜂鸟每年都遵循同样的飞行路线。有些居民坚称他们每年都看到同样的蜂鸟飞回原地。