### Question
How is the "brown tree snake" defined?


### Answer
The term **brown tree snake** is defined in *7 U.S.C. § 8501* as follows -

> the species of the snake Boiga irregularis

#### Citation:
  - *7 U.S.C. § 8501*
  - Heading: **CHAPTER 111-BROWN TREE SNAKE CONTROL AND ERADICATION**

