Long-tailed jaeger (Stercorarius longicaudus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326225/free-illustration-image-century-von-wright-brothers-birdFree Image from public domain licenseLong-tailed Duck (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325667/free-illustration-image-von-wright-brothers-duck-birdFree Image from public domain licenseLong-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-duckFree Image from public domain licenseTransparent sticker long tailed jaeger bird hand drawn https://www.rawpixel.com/image/2627998/free-illustration-png-vintage-birds-bird-seaView 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 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 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 licenseLong-tailed Duck male (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325682/premium-illustration-psd-america-ancient-animalView licenseLong-tailed Duck (Harelda hyemalis) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325995/premium-illustration-psd-america-ancient-animalView licenseHarelda Hyemalis (Long-tailed Duck female) illustrated by the von Wright brothers. Digitally enhanced from our own 1929… https://www.rawpixel.com/image/326265/premium-illustration-psd-america-ancient-animalView license