Jaskółka oknówka
Kto stosuje dietę z muszek
I komary je dla zdrówka,
Temu nie urośnie brzuszek.
Będzie smukły jak oknówka!
Uploaded by Aelwyn with the permission of the Author, who works with an expert in a bird ringing station in northern Italy (no harm was done to the animals depicted). CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/,