Aegithalus caudatus (Long-tailed tit) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325632/free-illustration-image-tit-von-wright-brothers-long-tailedFree Image from public domain licenseHybrid between common house-martin and barn swallow (Chelidon rustica L.xHirundo urbica) illustrated by the von Wright… https://www.rawpixel.com/image/326005/free-illustration-image-von-wright-brothers-swallow-scandinavianFree Image from public domain licenseNorthern hawk-owl (Surnia Ulula) illustration wall art print and poster. https://www.rawpixel.com/image/306544/premium-illustration-image-owl-von-wright-brothers-americaView licenseOriental turtle dove ♀ (Streptopelia orientalis) illustrated by the von Wright brothers. Digitally enhanced from our own… https://www.rawpixel.com/image/325809/free-illustration-image-dove-turtleFree Image from public domain licenseHen Harrier male (Circus cyaneus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325800/free-illustration-image-von-wright-brothers-wrights-vintageFree Image from public domain licenseMarsh Harrier (Circus aeruginosus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325732/free-illustration-image-von-wright-brothers-circus-vintageFree Image from public domain licenseMerlin female (Falco aesalon) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325727/free-illustration-image-hawk-merlin-von-wright-brothersFree Image from public domain licenseEurasian wigeon (Anas(mereca) penelope.) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325710/free-illustration-image-duck-von-wright-brothers-centuryFree Image from public domain licenseEurasian skylark (Alauda arvensis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325631/free-illustration-image-skylark-von-wright-brothers-alauda-arvensisFree Image from public domain licenseEurasian oystercatcher ♀ (Haematopus ostralegus) illustrated by the von Wright brothers. Digitally enhanced from our own… https://www.rawpixel.com/image/325838/free-illustration-image-von-wright-brothers-oyster-wrightFree Image from public domain licenseAnas (Nettion) Crecca illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325790/free-illustration-image-von-wright-brothers-century-teal-duckFree Image from public domain licenseCommon cuckoo-female ♀ (Cuculus canorus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325984/free-illustration-image-cuculus-canorus-cuckoo-von-wright-brothersFree Image from public domain licenseAquatic warbler (Acrocephalus aquaticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325640/free-illustration-image-von-wright-brothers-animals-birdFree Image from public domain licenseHen Harrier female (Circus cyaneus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325733/free-illustration-image-swedish-von-wright-brothers-henFree Image from public domain licenseEniconetta stelleri ♂ illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325674/free-illustration-image-century-duck-von-wright-brothersFree Image from public domain licenseCommon redshank (Totanus totanus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325837/free-illustration-image-von-wright-brothers-redshank-scandinavian-birdsFree Image from public domain licenseSpotted redshank (Totanus erythropus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325825/free-illustration-image-von-wright-brothers-vintage-bird-animalsFree Image from public domain licenseEurasian wigeon female (Anas(mereca) penelope) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325789/free-illustration-image-von-wright-brothers-duck-1900sFree Image from public domain licenseArctic tern (Sterna paradisaea) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325709/premium-illustration-psd-von-wright-brothers-arctic-tern-animalsView licenseTawny pipit (Anthus campestris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325768/free-illustration-image-von-wright-brothers-anthus-campestris-1900sFree Image from public domain licenseBlack-capped chickadee (Parus atricapillus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/325859/premium-illustration-psd-chickadee-wild-animals-antique-americaView licenseNorthern Pintail (Anas [dafila] acuta) illustration wall art print and poster. https://www.rawpixel.com/image/306549/free-illustration-image-duck-von-wright-brothers-anas-acutaView licenseRed-necked Phalarope (lobipes lobatus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325826/free-illustration-image-von-wright-brothers-bird-wrightFree Image from public domain licenseWestern jackdaw (Coloeus monedula) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326313/premium-illustration-psd-crow-birds-illustrations-sketchView licenseCommon raven (Corvus corax) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326185/premium-illustration-psd-corvus-corvus-corax-von-wrightView licenseEuropean Golden-Plover (Charadrius pluvialis apricarius) illustrated by the von Wright brothers. Digitally enhanced from our… https://www.rawpixel.com/image/325813/free-illustration-image-von-wright-brothers-1900s-public-domainFree Image from public domain licenseStrix uralensis ♀ illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326020/premium-illustration-psd-strix-von-wright-brothers-owl-ilustrationView licenseGreat spotted woodpecker-female (Dryobates major) illustration wall art print and poster. https://www.rawpixel.com/image/306550/premium-illustration-image-von-wright-wright-brothers-americaView licensePied wagtail female (Motacilla alba) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326287/premium-illustration-psd-motacilla-alba-america-ancientView licenseEurasian Tree Sparrow, Tree Sparrow (Passer montanus) illustrated by the von Wright brothers. Digitally enhanced from our… https://www.rawpixel.com/image/326211/premium-illustration-psd-von-wright-tree-sparrow-passer-montanusView licenseAegithalus caudatus (Long-tailed tit) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325987/premium-illustration-psd-long-tailed-tit-von-wright-birdView licenseHouse Sparrow male (Passer domesticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325891/premium-illustration-psd-sparrow-house-americaView licenseOriental turtle dove ♀ (Streptopelia orientalis) illustrated by the von Wright brothers. Digitally enhanced from our own… https://www.rawpixel.com/image/325779/premium-illustration-psd-dove-streptopelia-turtle-bird-orientalView licenseGray heron (Ardea cinerea) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325619/premium-illustration-psd-heron-ardea-cinerea-paintingView licenseCommon cuckoo-male (Cuculus canorus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326166/premium-illustration-psd-cuculus-canorus-cuckoo-von-wright-brothersView licenseEuropean Honey-buzzar male (Pernis apivorus ) illustration wall art print and poster. https://www.rawpixel.com/image/306548/premium-illustration-image-von-wright-brothers-pernis-apivorus-americaView licensePied Wagtai Male ♂ (MOTACILLA ALBA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326229/premium-illustration-psd-motacilla-alba-wagtail-von-wright-brothersView licenseAtlantic puffin (Fratercula arctica) illustration wall art print and poster. https://www.rawpixel.com/image/306571/premium-illustration-image-america-ancient-animalView licenseHybrid between Black grouse and Willow ptarmigan (Yrurus tetrix x lagopus lagopus) illustrated by the von Wright brothers.… https://www.rawpixel.com/image/326328/premium-illustration-psd-america-ancient-animalView licenseEurasian treecreeper (Certhia familiaris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326316/premium-illustration-psd-certhia-familiaris-certhia-von-wright-brothersView licenseGrey partridge (Perdix perdix) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326296/premium-illustration-psd-partridge-von-wright-brothers-americaView licenseShelduck (TADORNA TADORNA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326260/premium-illustration-psd-tadorna-tadorna-von-wright-brothers-americaView licenseCommon merganser, Goosander-in spring male (Mergus merganser) illustrated by the von Wright brothers. Digitally enhanced… https://www.rawpixel.com/image/326248/premium-illustration-psd-von-wright-brothers-wright-americaView licenseRed-backed Shrike male (Lanius collurio) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326244/premium-illustration-psd-america-ancient-animalView licenseGrey-headed Wagtail (MOTACILLA (BUDYTES) FLAVA THUNBERGI) illustrated by the von Wright brothers. Digitally enhanced from… https://www.rawpixel.com/image/326216/premium-illustration-psd-motacilla-flava-americaView 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 licenseWhite-backed woodpecker 1♀ , 2♂ (Dryobates leucotus) illustrated by the von Wright brothers. Digitally enhanced from our own… https://www.rawpixel.com/image/326208/premium-illustration-psd-america-ancient-animalView licenseCaspian lern (HYDROPROGNE CASPIA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326188/premium-illustration-psd-vintage-birds-america-ancientView licenseEurasian wigeon male (Anas (Mereca) penelope) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326184/premium-illustration-psd-america-anas-ancientView licenseSpotted Nutcracker (Nucifraga caryocatactes) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326180/premium-illustration-psd-von-wright-brothers-america-ancientView licenseMallard female (Anas platyrhynchos) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326168/premium-illustration-psd-von-wright-brothers-america-anas-platyrhynchosView licenseCommon Buzzard (Buteo buteo intermedius) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326164/premium-illustration-psd-buzzard-buzzard-commonView licenseStarling (Sturnus vulgaris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326160/premium-illustration-psd-sturnus-vulgaris-starling-americaView 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 licenseRook (Corvus Frugilegus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326140/premium-illustration-psd-rook-america-ancientView licenseDifferent types ofbirds illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326124/premium-illustration-psd-swan-goose-americaView licenseAMPELIS GARRULUS illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326076/premium-illustration-psd-america-ampelis-garrulus-ancientView licenseBucephala Clangula illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/326064/premium-illustration-psd-america-ancient-animalView licenseCommon redshank (Totanus totanus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326056/premium-illustration-psd-von-wright-brothers-abstract-americaView licenseBlack-headed gull (Larus Ridibundus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326028/premium-illustration-psd-larus-ridibundus-america-ancientView licenseBlack grouse (Lyrurus tetrix) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326024/premium-illustration-psd-america-ancient-animalView licenseLong-tailed Duck male (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326012/premium-illustration-psd-america-ancient-animalView licenseEurasian bullfinch (Pyrrhula pyrrhula) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326000/premium-illustration-psd-america-ancient-animalView licenseWater rail (Rallus aquaticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325964/premium-illustration-psd-america-ancient-animalView licenseDryocopus martius illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325948/premium-illustration-psd-dryocopus-martius-america-ancientView licenseBlack grouse (Lyrurus tetrix) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325944/premium-illustration-psd-grouse-america-ancientView licenseChaffinch female (Fringilla coelebs) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325936/premium-illustration-psd-chaffinch-fringilla-coelebs-americaView licenseGreat Grey Shrike (Lanius excubitor) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325928/premium-illustration-psd-america-ancient-animalView licenseWhinchat (Pratincola rubetra) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325920/premium-illustration-psd-von-wright-brothers-america-ancientView licenseBarred warbler ♂ (Sylvia nisoria) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325916/premium-illustration-psd-america-ancient-animalView licenseCommon house-martin (Hirundo urbica) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325900/premium-illustration-psd-house-martin-america-ancientView licenseAquatic warbler (Acrocephalus aquaticus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325896/premium-illustration-psd-von-wright-brothers-acrocephalus-aquaticus-americaView licenseCollared flycatcher (Muscicapa collaris) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325884/premium-illustration-psd-america-ancient-animalView licenseCorn bunting (EMBERIZA CARLANDRA) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325860/premium-illustration-psd-von-wright-america-ancientView licenseWillow Warbler (Phylloscopus trochilus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325856/premium-illustration-psd-america-ancient-animalView licenseLappmes (Parus cinctus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325848/premium-illustration-psd-von-wright-brothers-america-ancientView licenseTree warbler (Hypolais hipolais) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325840/premium-illustration-psd-von-wright-brothers-america-ancientView licenseLittle Ringed Plover (Charadrius dubius) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325728/premium-illustration-psd-america-ancient-animalView licenseCommon gull (Larus canus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/325712/premium-illustration-psd-antique-drawing-america-ancientView licenseHen Harrier male (Circus cyaneus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/325704/premium-illustration-psd-old-hen-drawings-von-wright-brothers-americaView licenseAnas (Nettion) Crecca illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325692/premium-illustration-psd-america-anas-ancientView 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 licenseCommon linnet (Acanthis cannabina) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326315/premium-illustration-psd-vintage-linnet-bird-von-wright-brothers-acanthis-cannabinaView licenseOsprey (Pandion haliaetus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326311/premium-illustration-psd-pandion-haliaetus-von-wright-brothers-americaView licenseHybrid between Black grouse and Willow ptarmigan (Lyrurus tetrix ♂ x lagopus lagopus ♀) illustrated by the von Wright… https://www.rawpixel.com/image/326275/premium-illustration-psd-america-ancient-animalView licenseWillow ptarmigan (Lagopus lagopus ) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326247/premium-illustration-psd-america-ancient-animalView licenseBohemian Waxwing (Ampelis garrulus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326243/premium-illustration-psd-bohemian-waxwing-america-ampelis-garrulusView licenseEurasian wryneck (Jynx torquilla) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326239/premium-illustration-psd-america-ancient-animalView licenseLong-tailed jaeger (Stercorarius longicaudus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326187/premium-illustration-psd-america-ancient-animalView licenseCommon rosefinch male (Carpodacus erythrinus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326179/premium-illustration-psd-von-wright-brothers-finch-americaView licenseGreat spotted woodpecker (Dendrocopos major) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326175/premium-illustration-psd-america-ancient-animalView licenseBlackbird ♀ (Turdus merula) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326167/premium-illustration-psd-turdus-merula-blackbird-turdusView licenseEuropean nightjar (CAPRIMULGUS EUROPAEUS) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326163/premium-illustration-psd-caprimulgus-america-ancientView licenseSiberian Jay (Perisoreus infaustus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326159/premium-illustration-psd-america-ancient-animalView licenseThe Common Swift (Cypselus Apus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version… https://www.rawpixel.com/image/326151/premium-illustration-psd-swift-america-ancientView licenseRedwing (Turdus iliacus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326143/premium-illustration-psd-america-ancient-animalView licenseCommon gull (larus canu) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326035/premium-illustration-psd-von-wright-brothers-gull-seagullView licenseGlaucidium passerinum illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325983/premium-illustration-psd-glaucidium-passerinum-america-ancientView licensePodiceps cristatus ♂ illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325967/premium-illustration-psd-cristatus-america-ancientView licenseLocustella naevia illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska… https://www.rawpixel.com/image/325959/premium-illustration-psd-america-ancient-animalView license