You are presented with the question "What are nocturnal and travel long distances at night?" and the following answer choices: 
- warm-blooded
 - mammals
 - bears
 - travelers
 - warblers
 - insects
 - bees
 - animals

Now knowing that migrants typically travel long distances and birds such as sparrows and warblers are nocturnal migrants and travel at night, choose the best answer.


 

     warblers    