Eurasian Pygmy Owl

Little Owl

Unknown Artist

Ural owl

Anselmus Boëtius de Boodt

Barn owl (Tyto alba)

Unknown Artist

Long-eared Owl

Anselmus Boëtius de Boodt

Dwergooruil (Otus scops)

Unknown Artist

Oehoe (Bubo bubo)

Unknown Artist

Uil

anonymous

Lesser Grey Shrike

Unknown Artist

Studie af ugle

Johanna Fosie

Vogeltje, mogelijk een winterkoninkje (Troglodytes troglodytes)

Unknown Artist

Partridge-Like Bird

Unknown Artist

Leeuwerik (Alaudidae)

Unknown Artist