Western capercaillie (TETRAO UROGALLUS) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326139/free-illustration-image-capercaillie-von-wright-brothers-birdFree Image from public domain licenseWestern Capercaillie (Tetrao Urogallus )illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325919/free-illustration-image-capercaillie-von-wright-brothers-grouseFree Image from public domain licenseWestern capercaillie (Tetrao urogallus() illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326015/premium-illustration-psd-tetrao-urogallus-america-ancientView licenseTetrao Urogallus illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325918/free-illustration-image-tetrao-urogallus-bird-von-wright-brothersFree Image from public domain licenseHybrid between Western capercaillie and Willow ptarmigan (Tetrao urogallus x lagopus lagopus) illustrated by the von Wright… https://www.rawpixel.com/image/326016/free-illustration-image-von-wright-brothers-tetrao-urogallus-birdFree Image from public domain licenseHybrid between black grouse and western capercaillie (Lyrurus tetrix ♂ x Tetrao urogallus ♀) illustrated by the von Wright… https://www.rawpixel.com/image/325803/free-illustration-image-von-wright-brothers-bird-centuryFree Image from public domain licenseAuerhoen (Tetrao urogallus) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13742454/image-paper-art-watercolorFree Image from public domain licenseWestern capercaillie (TETRAO UROGALLUS) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326148/premium-illustration-psd-tetrao-urogallus-vintage-grouse-americaView licensePng sticker black grouse/western capercaillie hybrid bird hand drawn https://www.rawpixel.com/image/2634617/free-illustration-png-tetrao-tetrix-vintage-animalView licenseAuerhoen (Tetrao urogallus) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13742822/image-paper-art-watercolorFree Image from public domain licenseHybrid between Western capercaillie and Willow ptarmigan ♂ (Tetrao urogallus x lagopus lagopus) illustrated by the von… https://www.rawpixel.com/image/326212/premium-illustration-psd-america-ancient-animalView licenseHybrid between black grouse and western capercaillie (Lyrurus tetrix ♂ x Tetrao urogallus ♀) illustrated by the von Wright… https://www.rawpixel.com/image/325668/premium-illustration-psd-vintage-wood-texture-america-ancientView licenseWestern Capercaillie (Tetrao Urogallus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326021/premium-illustration-psd-von-wright-brothers-america-ancientView license