BIRDING BY EAR
ABA Code of Birding Ethics - Includes use of bird recordingsBirding by Ear - Peterson Field Guides
birdJam
birdJam Ethics
birdJam HeadsUp Warblers
birdJam HeadsUp Sparrows
BirdTunes
Cornell's Macauley Library
Peterson Audio Series
Stokes Audio Guides
BIRDING BY EAR TECH
Apple iPhone, iPad, iPod touch, or iPod sound systems and/or applications for birding!
birdJam
BirdTunes - The iPhone Encyclopedia of Bird Songs
674 species! Highly Recommended!
Apple iPod touch
Apple iPod nano
iMainGo X portable speaker for iPods (except latest Shuffle), iPhones, and all Zunes (2nd gen. on)
Swing Speaker for Apple iPod touch 2/3G
Swing Speaker for Apple iPod nano 4G
IP-N1112 Portable Speakers for Apple iPod nano 2G