Black grouse (Lyrurus tetrix) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325886/free-illustration-image-von-wright-brothers-grouse-bird Free Image from public domain license
Black-throated loon (Colymbus arcticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326259/free-illustration-image-duck-von-wright-brothers-vintage-animal Free Image from public domain license
Red-crested Pochard (Netta rufina) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325747/free-illustration-image-von-wright-brothers-bird-red-vintage-public-domain Free Image from public domain license
Willow ptarmigan (Lagopus lagopus ) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325973/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
Northern Pintail (Anas(dafila) acuta) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325788/free-illustration-image-duck-von-wright-brothers-vintage Free Image from public domain license
Eurasian curlew (numenius arquatusf) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325852/free-illustration-image-curlew-von-wright-brothers-wright Free Image from public domain license
Common Pochard male ♂ (Nyroca ferina) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326066/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
Garganey male (Anas querquedula) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326101/free-illustration-image-von-wright-brothers-vintage-animal-anas-querquedula Free Image from public domain license
Brant Goose (Branta bernicla) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326088/free-illustration-image-von-wright-brothers-century-goose Free Image from public domain license
Craft collage animal character, editable design element set https://www.rawpixel.com/image/13719107/craft-collage-animal-character-editable-design-element-set View license Trending Design
Black-throated loon (Colymbus Arcticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326301/free-illustration-image-loon-von-wright-brothers-wright Free Image from public domain license
Common snipe (capella gallinago) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325875/free-illustration-image-snipe-von-wright-brothers-century Free Image from public domain license
Western 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-grouse Free Image from public domain license
Common gull (Larus canus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325822/free-illustration-image-seagull-von-wright-brothers-seagulls-vintage Free Image from public domain license
Black-headed gull (Larus Ridibundus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325929/free-illustration-image-seagull-von-wright-brothers-century Free Image from public domain license
Common tern (STERNA HIRUNDO) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326237/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Little gull (Larus minutus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325823/free-illustration-image-seagull-gull-von-wright-brothers Free Image from public domain license
Eurasian woodcock (Scolopax rusticola) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325908/free-illustration-image-woodcock-animals-the-von-wright-brothers Free Image from public domain license
Black-headed gull ♂ (Larus ridibundus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326264/free-illustration-image-von-wright-brothers-larus-ridibundus-seagull Free Image from public domain license
Short-eared Owl (Asio flammeus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325927/free-illustration-image-owl-von-wright-brothers-asio-flammeus Free Image from public domain license
Mergus serrator illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325680/free-illustration-image-von-wright-brothers-bird-1900s Free Image from public domain license
Razorbill (Alca torda) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326089/free-illustration-image-penguin-von-wright-brothers-vintage Free Image from public domain license
Mergellus albellus illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325622/free-illustration-image-von-wright-brothers-century-mergellus-albellus Free Image from public domain license
Hazel grouse (tetrastes bonasia) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325996/free-illustration-image-von-wright-brothers-grouse-century Free Image from public domain license
Common gull (larus canu) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325907/free-illustration-image-seagull-von-wright-brothers Free Image from public domain license
Caspian lern (HYDROPROGNE CASPIA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326276/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
LARUS LEUCOPTERUS illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326082/free-illustration-image-von-wright-brothers-wright Free Image from public domain license
Goldeneye female (Bucephala clangula) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326077/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Pied wagtail female (Motacilla alba) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326191/free-illustration-image-motacilla-alba-wagtail-von-wright-brothers Free Image from public domain license
Long-tailed Duck male (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325669/free-illustration-image-von-wright-brothers-bird-duck Free Image from public domain license
Planet poster template https://www.rawpixel.com/image/13138572/planet-poster-template View license Trending Design
Common redshank (Totanus totanus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326052/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Great cormoran (Phalacrocorax Carbo) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326327/free-illustration-image-cormorant-von-wright-brothers-great Free Image from public domain license
Collared flycatcher (Muscicapa collaris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326128/free-illustration-image-von-wright-brothers-vintage-animal-bird Free Image from public domain license
Dryobates minor illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325629/free-illustration-image-von-wright-brothers-bird-wright Free Image from public domain license
Twite (Acanthis flavirostris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325649/free-illustration-image-von-wright-brothers-paint-abstract-1900s Free Image from public domain license
Ivory gull (Pagophila eburnea) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325836/free-illustration-image-seagull-von-wright-brothers-animals Free Image from public domain license
Black guillemot (Uria Grylle) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325805/free-illustration-image-von-wright-brothers-black-guillemot-animals Free Image from public domain license
Somateria mollissima illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325671/free-illustration-image-von-wright-brothers-century-wright Free Image from public domain license
Parasitic jaeger (Stercorarius parasiticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325773/free-illustration-image-von-wright-brothers-scandinavian-1900s Free Image from public domain license
Riparia riparia illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325654/free-illustration-image-von-wright-brothers-bird-vintage Free Image from public domain license
Woodlark (Lullula arborea) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326254/free-illustration-image-lark-von-wright-brothers-bird Free Image from public domain license
Common whitethroat (Sylvia communis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325795/free-illustration-image-von-wright-brothers-bird-abstract Free Image from public domain license
Sylvia curruca (Lesser whitethroat) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325749/free-illustration-image-von-wright-brothers-1900s-public-domain Free Image from public domain license
Garden warbler (Sylvia borin) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325754/free-illustration-image-von-wright-brothers-bird-wright Free Image from public domain license
Barred warbler ♂ (Sylvia nisoria) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325791/free-illustration-image-von-wright-brothers-sylvia-abstract Free Image from public domain license
Red-breasted flycatcher ♂ (Ficedula parva) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325766/free-illustration-image-von-wright-brothers-bird-public-domain Free Image from public domain license
Red-backed Shrike female (Lanius collurio) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326310/free-illustration-image-von-wright-brothers-bird-shrike Free Image from public domain license
Young horned grebe (Podiceps auritus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326068/free-illustration-image-von-wright-brothers-bird-1900s Free Image from public domain license
Great cormorant (Phalacrocorax Carbo) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326221/free-illustration-image-von-wright-brothers-century-cormorant Free Image from public domain license
Eniconetta Stelleri illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326304/free-illustration-image-von-wright-brothers-bird-1900s Free Image from public domain license
Clean energy poster template, editable text and design https://www.rawpixel.com/image/11730889/clean-energy-poster-template-editable-text-and-design View license Trending Design
Ferruginous duck female (Nyroca fuligule) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325715/free-illustration-image-von-wright-brothers-duck-bird Free Image from public domain license
Red-necked grebe male (Odiceps grisegena) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326107/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Eider (CORACIAS SOMATERIA MOLLISSIMA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325862/free-illustration-image-von-wright-brothers-bird-1900s Free Image from public domain license
Sedge warbler (Acrocephalus schoenobaenus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325670/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
Turdus viscivorus illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325652/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Young horned grebe (PODICEPS AURITUS) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326324/free-illustration-image-von-wright-brothers-the-wright Free Image from public domain license
Wood Sandpiper (Totanus Glareola) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326242/free-illustration-image-sandpiper-von-wright-brothers-1900s Free Image from public domain license
Uria troille illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325842/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
Gadwall (Anas (Chauelasmus) Strepera) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325711/free-illustration-image-von-wright-brothers-duck-gadwall Free Image from public domain license
Broad-billed sandpiper (Limicola falcinellus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326113/free-illustration-image-von-wright-brothers-sandpiper-century Free Image from public domain license
Starling (Sturnus vulgaris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326044/free-illustration-image-starling-sturnus-vulgaris-von-wright-brothers Free Image from public domain license
Black-legged kittiwake (Rissa Tridactyla) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326335/free-illustration-image-von-wright-brothers-century-wright Free Image from public domain license
Three-toed woodpecker (Picoides Tridactylu) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325924/free-illustration-image-von-wright-brothers-hand-drawn-woodpecker Free Image from public domain license
Black guillemot (URIA GRYLLE) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326114/free-illustration-image-von-wright-brothers-1900s-public-domain Free Image from public domain license
Eurasian stone curlew (burhinus oedicnemus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325827/free-illustration-image-von-wright-brothers-burhinus-oedicnemus-stone-curlew Free Image from public domain license
Little stint (tringa minuta) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325817/free-illustration-image-von-wright-brothers-animals-painting-wright Free Image from public domain license
Mergus serrator illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325664/free-illustration-image-von-wright-brothers-mergus-1900s Free Image from public domain license
Corn bunting (EMBERIZA CARLANDRA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325882/free-illustration-image-corn-von-wright-wright-brothers Free Image from public domain license
Anser fabalis illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325777/free-illustration-image-von-wright-brothers-century-vintage-wild-animals Free Image from public domain license
Little tern (Sterna albifrons) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325778/free-illustration-image-von-wright-brothers-tern-bird Free Image from public domain license
Vintage illustration, editable design set https://www.rawpixel.com/image/14370266/vintage-illustration-editable-design-set View license Trending Design
Parasitic jaeger (Stercorarius parasiticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325738/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Grey partridge (Perdix perdix) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325971/free-illustration-image-partridge-von-wright-brothers-bird Free Image from public domain license
Common moorhen (gallinula chloropus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325895/free-illustration-image-von-wright-brothers-gallinula-chloropus-moorhen Free Image from public domain license
Tree pipit (Anthus trivialis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326117/free-illustration-image-von-wright-brothers-tree-bird Free Image from public domain license
Jack snipe (Lymnocryptes minimus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325901/free-illustration-image-von-wright-brothers-common-snipe-bird Free Image from public domain license
Water rail (Rallus Aquaticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325897/free-illustration-image-von-wright-brothers-rail-bird-water Free Image from public domain license
Eurasian dotterel ♂ (Charadrius (eudromias) morinellus) illustrated by the von Wright brothers. Digitally enhanced from our… https://www.rawpixel.com/image/325812/free-illustration-image-von-wright-brothers-charadrius-morinellus-wright Free Image from public domain license
Water rail (Rallus aquaticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325889/free-illustration-image-von-wright-brothers-rail-bird-1900s Free Image from public domain license
Anser albifrons illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325753/free-illustration-image-von-wright-brothers-1900s-public-domain Free Image from public domain license
Ruff (Pavoncella pugnaxr) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325877/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
Great skua (Stercorarius skua) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326195/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Little crake (porzana parva) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325921/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
Sandwich tern (Sterna sandvicensis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326235/free-illustration-image-von-wright-brothers-century-bird Free Image from public domain license
Tringa Alpina (Dunlin) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326197/free-illustration-image-century-dunlin-von-wright-brothers Free Image from public domain license
Common chiffchaff (Phylloscopus collybita) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325723/free-illustration-image-von-wright-brothers-chiffchaff-bird Free Image from public domain license
Harelda Hyemalis illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326322/free-illustration-image-von-wright-brothers-bird-1900s Free Image from public domain license
phalaropus fulicarius jourdaini illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325878/free-illustration-image-von-wright-brothers-wright-bird Free Image from public domain license
Ruddy turnstone (arenaria interpres ) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325834/free-illustration-image-turnstone-von-wright-brothers-bird Free Image from public domain license
Eurasian coot (Fulica atra) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326069/free-illustration-image-fulica-atra-century-von-wright-brothers Free Image from public domain license
Chloris Chloris illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325685/free-illustration-image-von-wright-brothers-chloris-chloris-bird Free Image from public domain license
Red warbler (Acrocephalus streperus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325626/free-illustration-image-von-wright-brothers-acrocephalus-animals Free Image from public domain license
Yellowhammer male (Emberiza citrinella) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326219/free-illustration-image-von-wright-brothers-yellowhammer-birds Free Image from public domain license
Three-toed woodpecker (Picoides Tridactylus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325657/free-illustration-image-von-wright-brothers-bird Free Image from public domain license
Temminck's Stint (tringa temminckii) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325876/free-illustration-image-von-wright-brothers-1900s-public-domain Free Image from public domain license
Prunella modularis illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325610/free-illustration-image-von-wright-brothers-bird Free Image from public domain license
Great black-backed gull (LARUS MARINUS) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325843/free-illustration-image-von-wright-brothers-wright Free Image from public domain license
Locustella naevia illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325612/free-illustration-image-von-wright-brothers-1900s-public-domain Free Image from public domain license
Yellowhammer (Emberiza citrinella) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325687/free-illustration-image-von-wright-brothers-emberiza-citrinella-wright Free Image from public domain license
Northern Pintail (Anas(dafila) acuta) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325743/free-illustration-image-von-wright-brothers-bird-pintail Free Image from public domain license
Grey plover (Squatarola squatarola) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325830/free-illustration-image-plover-von-wright-brothers-wright Free Image from public domain license
Harelda Hyemalis illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326321/free-illustration-image-von-wright-brothers-bird-animals Free Image from public domain license