Czajków commune is a rural gmina (administrative district) in Ostrzeszów
County, Greater Poland Voivodeship, in west-central Poland. The flag is
horizontally divided, green-white-green (1:3:1) with the coat of arms centered.
"Czajka" translated in English is "Gull".
More specifically, It is the "Northern lapwing" (aka peewit, pewit, tuit or tew-it),
Vanellus vanellus, quite faithfully represented on the coat of arms.
http://www.iucnredlist.org/details/22693949/0 - IUCN record for Vanellus
vanellus. Ivan Sache, 23 August 2015