Northern House Martin

Barn Swallow

Unknown Artist

Ptynoprogne fuligula (Rock martin)

Robert Jacob Gordon

Needle-Tailed Swift (Hirundapus caudaculus)

Paul Hüet

Blauwborst (Luscinia svecica)

Unknown Artist

White Wagtail

Ferdinand von Wright

Eurasian Teal

Ferdinand von Wright

Sketch Page with Birds and Spider

Katsushika Hokusai

Pteroclurus namaqua (Namaqua sandgrouse)

Robert Jacob Gordon

Motacilla aguimp (African pied wagtail)

Robert Jacob Gordon

Crow

Wilhelm von Wright

Lazuli Bunting

Jan Weenix

Vogeltje, mogelijk een winterkoninkje (Troglodytes troglodytes)

Unknown Artist