Scientists Say: Irruption
There’s a word for when we see bird species out of their normal range
![snowy owl](https://www.snexplores.org/wp-content/uploads/2019/11/860-SnowyOwlAmericanBlackDuck.jpg)
Some winters, birders in the United States get to see snowy owls far outside their normal range. These birds have irrupted.
Chuck Homler d/b/a Focus On Wildlife/Wikimedia Commons