2021Europa - Big Grouse - First Day Cover

The common theme for the EUROPA 2021 postage stamp issues, issued by all PostEuropa members, are endangered national wildlife this year. Hrvatska pošta Mostar (Croatian Post Mostar) chose a male and a female great black grouse (Tetrao urogallus), a species that is considered an endangered species of game. Black grouse belong to the genus of forest birds from the order of chicken (Galliformes), living in dense mountain forests and feeding on various fruits and berries, leaves, buds, grass, and in winter with the needles of coniferous trees.