For lists of resources about research, journals, societies and bioacoustic archives, review the sections below.
For those of you who are just starting to discover the birds in your backyard and wonder how to get better at identifying them: A beginner's guide to bird watching
Avisoft Bioacoustics: Sound analysis software
Hardware and Software for Investigating Animal Acoustic Communication.
Bioacoustics Research Program
Cornell Lab of Ornithology (including Raven software).
Engineering Design: Signal and RTSD software
Software for sound analysis.
Metris: Sonotrack system for recording & analysing ultrasound
Sonotrack is an advanced non-invasive measurement system to record, analyze and playback ultrasonic vocalizations (USV) of animals.
Acoustical Society of America
The premier international scientific society in acoustics.
Animal Behavior Society
Non-profit scientific society, founded to encourage and promote the study of animal behavior.
Bioacoustics (Journal)
International Journal of Animal Sound.
International Bioacoustics Council (IBAC)
Promoting international participation throughout the entire field of bioacoustical activity.
Lang Elliott: The Music of Nature
Featuring sounds of birds, frogs, mammals, and insects.
Neville Recording (Bird song CDs)
Birdsong Recordings.
Earbirding with Nathan Pieplow
Nathan Pieplow blogging about recording, identifying, and interpreting bird sounds
My Audio Sound
Will Tottle, freelance writer, blogging about audio-related topics
Animal Sound Archive, Humboldt University, Berlin
Animal Sound Archive, based in Germany (website in German).
Australian National Wildlife Collection: Sound Library
Australian library of wildlife sound recordings.
Biblioteca de Sonidos Aves de Mexico
Library of Sounds in Mexico (website in Spanish).
British Library National Sound Archive: Wildlife Sounds
The largest wildlife sound collection in Europe.
Center for Bioacoustics, Texas A&M Corpus Christi
Dedicated to the development and dissemination of knowledge through the science and technology of bioacoustics.
Macaulay Library, Cornell Lab of Ornithology
the world's largest and oldest scientific archive of biodiversity audio and video recordings.