- АудиокнигаGilded Flicker and Other BirdsongsGreg Cetus
- АудиокнигаCarolina Turtledove and Other BirdsongsGreg Cetus
- АудиокнигаArctic Bluebird and Other BirdsongsGreg Cetus
- АудиокнигаVesper Sparrow and Other Bird SongsGreg Cetus
- АудиокнигаCanadian Veery and Other Bird SongsGreg Cetus
- АудиокнигаEastern Meadowlark and Other Bird SongsGreg Cetus
- АудиокнигаWestern Meadowlark and Other Bird SongsGreg Cetus
- АудиокнигаBirds of Waterways SingingGreg Cetus