Pavel Pelz — songs

• 01:39
  Otus scops 2: Simultaneous territorial calls of two males
• 01:56
  Tyto Alba 3: Hissing of elder and trills of younger owlets in the nest
• 01:14
  Strix aluco 7: Contacting call of the female in the nest
• 01:04
  Glaucidium passerinum 9: Copulation and voices of male (whistles) and female (squeak) after copulation

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