| Pavel Pelz - Glaucidium passerinum 10 Contacting voices of owlets |
| Pavel Pelz - Athene noctua 1 Territorial call of male |
| Pavel Pelz - Athene noctua 2 Another territorial males call |
| Pavel Pelz - Athene noctua 3 Simultaneous calls of excited male |
| Pavel Pelz - Athene noctua 4 Alarming sound of male |
| Pavel Pelz - Athene noctua 5 Females reaction to the human presence |
| Pavel Pelz - Athene noctua 6 Alarming sound of male near the nest |
| Pavel Pelz - Athene noctua 7 Other alarming sounds of male |
| Pavel Pelz - Athene noctua 8 Hissing of owlets in the nest |
| Pavel Pelz - Strix aluco 1 Mating sound of male |
| Pavel Pelz - Strix aluco 3 Typical call of male and voice of female |
| Pavel Pelz - Strix aluco 4 Calling female and voice of excited |
| Pavel Pelz - Strix aluco 5 Contacting call of female |
| Pavel Pelz - Strix aluco 6 Call of female and trill of the male |
| Pavel Pelz - Strix aluco 7 Contacting call of the female in the |
