About this software
This software is FREE to everyone and being provided by Peter Thayer, president of Thayer Birding Software.
This software will run on computers with Windows 7, 8, 10, and 11 and on Mac OS running Parallels. Mac OS (natively) and Linux are no longer supported.
Click the Download menu option or click here to get started!
If you like it, please consider supporting the birds with a charitable donation to Cornell Lab of Ornithology
A demonstration video can be viewed by clicking the following image.