| Pavel Pelz - Tyto Alba 1 Female contact calls in the foreground |
| Pavel Pelz - Tyto Alba 2 Females trill before owlets feeding |
| Pavel Pelz - Tyto Alba 3 Hissing of elder and trills of younger |
| Pavel Pelz - Tyto Alba 4 Owlets defending sound |
| Pavel Pelz - Otus scops 1 Territorial whistling of male |
| Pavel Pelz - Otus scops 2 Simultaneous territorial calls of two |
| Pavel Pelz - Otus scops 3 Twodyllable song of excited male |
| Pavel Pelz - Otus scops 5 Trills of owlets and beak snapping |
| Pavel Pelz - Otus scops 6 Calls of male and female, croaking of |
| Pavel Pelz - Bubo bubo 1 Territorial calls of male |
| Pavel Pelz - Bubo bubo 2 Female and male |
| Pavel Pelz - Bubo bubo 3 Calls before copulation |
| Pavel Pelz - Bubo bubo 4 Beak snapping and hissing in danger |
| Pavel Pelz - Bubo bubo 5 Owlets begging for food voice of female |
| Pavel Pelz - Bubo bubo 6 Contacting voices of owlets after leaving |
