Big Brown Bat

Scientists and volunteers identified a big brown bat (Eptesicus fuscus) during the BioBlitz 2016 in Washington, D.C. The spectrogram to the left is a visual representation of its call that you can hear below.

• Big brown bat

  
  

  Sound recording of a big brown bat at BioBlitz 2016 in Washington, D.C.
  Audio Transcript

  The rhythmic chirping sounds of the big brown bat's echolocation call.