Arctic Yager from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277514/free-illustration-image-audubon-birds-america-public-domain-birdFree Image from public domain licenseLong-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 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 license