Issued by Poland in 2024, the two bird stamps belong to a set of four.

The first stamp depicts the great spotted woodpecker (Dendrocopos major), which was presented already in a cover from Switzerland.

The second stamp shows a Eurasian wren (Troglodytes troglodytes). This migratory species is found in Europe, Asia and areas of northern Africa. It has 28 subspecies. It feeds on insects.