Panel 4: Long-tailed Jaeger, Parasitic Jaeger, Pomarine Jaeger, Skua by Louis Agassiz Fuertes https://www.rawpixel.com/image/8905461/image-watercolor-art-vintageFree Image from public domain licensePng sticker pomarine jaeger bird hand drawn https://www.rawpixel.com/image/2634570/free-illustration-png-bird-vintage-abstractView licenseJager from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277522/free-illustration-image-audubon-birds-america-public-domain-john-jamesFree Image from public domain licenseVector pomarine jaeger bird hand drawn https://www.rawpixel.com/image/2686698/premium-illustration-vector-abstract-animal-artworkView licensePomarine jaeger (Stercorarius pomarinus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325806/free-illustration-image-von-wright-brothers-century-birdFree Image from public domain licensePomarine jaeger (Stercorarius pomarinus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325750/premium-illustration-psd-america-ancient-animalView license