en Español

 

Introduction

Microphone Design

Recording calls

Analysis Software

 

Publications

 

Links

21c mic

Audio tracks

 

 

  Nocturnal flight call activity index

2012-2017

click on A yellow Station marker

 

 

Monitoring stations (w/daily updates Aug-Nov 2017)

Eastern North American Transect 2013

 

Contact:       ear2sky       at      oldbird       dot       org

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

 

Copyright © 2012 Old Bird, Inc.