European honey buzzard
The Rospuda Valley and its adjacent forests are inhabited by the following protected birds: hazel grouse ("Bonasa bonasia"), the capercaillie ("Tetrao urogallus"), spotted crake ("Porzana porzana"), the corn crake ("Crex crex"), the common crane ("Grus grus"), the white-tailed eagle ("Haliaeetus albicilla"), lesser spotted eagle ("Aquila pomarina"), marsh harrier, the European honey buzzard ("Pernis apivorus"), the Tengmalm's owl ("Aegolius funereus"), the white stork ("Ciconia ciconia"), the black woodpecker, the white-backed woodpecker ("Dendrocopos leucotos"), the red-backed shrike ("Lanius collurio"), the barred warbler ("Sylvia nisoria") and other. The area serves as a haunt for birds nesting nearby, e.g. in Augustów Primeval Forest.