Contributions encouraged!

We hope for this website to serve as a useful, quick reference for nocturnal flight calls of North America. However, this website is missing flight calls for many common species throughout North America, as our current dataset is a drawn from nocturnal flight call monitoring in Nova Scotia. Listed below are the species for which Old Bird has a page, but for which this website contains fewer than 30 clips.

If you are interested in contributing identified recordings of these or other species, please contact Tessa Rhinehart (