Introduction

Microphone DIY Kit

 

21c mic

(v2020)

 

Recording calls

Analysis Software

 

Publications

 

Links

 

Big Migration Night

 

en Español

 

 

  Nocturnal flight call activity index

~New York Transect~

click on A yellow Station marker

 

Current Monitoring Projects

 

Contact:       ear2sky       at      oldbird       dot       org

501(c)(3) nonprofit facilitating avian flight call monitoring. 

 

Copyright © 2012 Old Bird, Inc.