single hooded crow bird - latin corvus cornix - during the spring mating season in wetlands of north-eastern poland

hooded crow corvus cornix wrona siwa narew biebrzanski national park narwianski bird grass lawn meadow field greenery foliage reserve avian wetland wetlands moor moors lakeland wildlife nature natural life ecology fauna poland europe wing wings beak tail neck color colorful wild zoology travel exterior outside outdoor one single alone black