Pretty impressive archive of bird songs meant to be a definitive collection. It will be interesting to see the reviews.
http://macaulaylibrary.org/guide/audio/master-set-for-north-america Good birding by ear! --Scott Scott E. Severs Longmont, CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to cobirds+unsubscr...@googlegroups.com. To post to this group, send email to cobirds@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/CAL-OjWNfF5AwEBgXxCQE3jv5MU8Jpvt4w5gEMkOPWJxiSanAKA%40mail.gmail.com?hl=en-US. For more options, visit https://groups.google.com/groups/opt_out.
