HEATKEYS

Cornell Lab of Ornithology, We use science to understand the world, to find new ways to make conservation work, and to involve people who share our passion. We offer help for birders through All About Birds website on all bird info, questions, etc.

The Free Online English Dictionary from Macmillan Publishers.

More than 1000 digitally recorded natural sounds and photos can be downloaded. All recorded by the author. Includes a link to Costa Rican sights &; sounds.

Information on birding and wild birds including bird profiles, necessary supplies, bird identification, attracting birds, birdfeeders, birdhouses, birding travel and bird conservation.

Use our Bird Guide to identify birds, learn about the life history, listen to the sounds, and watch bird behavior on video--the most comprehensive guide to North American birds

eNature: Your Guide to America

SoundBible.com is the encyclopedia of free sound clips and may just be the last sample resource you

Sounddogs is the premiere online source for sound effects, production music, sound clips, free sound effects samples and loops.

A dictionary of onomatopoeia (sound words) and words of imitative origin in English language. Examples of noises and sound effects in writing as found in poems, comics, literature, slang and the web. Animal sounds, car noises, hit and punch noises, e...

SoundsHawaiian is dedicated to gathering, archiving, and sharing the rich natural sounds of Hawai