xeno-canto is a community-generated database of bird sounds from around the world. You can search or browse by location and species. The collection currently covers 6685 species - 62.89% of the total number of 10,629 species. In the Conservation & research section, you can find a list (and recordings) of 512 species in the collection that have been designated Vulnerable according to the IUCN Red List criteria. New members are welcome and anyone can upload recordings.