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 licenseJaeger bird vector vintage drawing https://www.rawpixel.com/image/2689904/premium-illustration-vector-seabird-animal-vintage-birdsView licenseBlack Toed Gull, Richardson's Skua, Glaucous Gull, Black Tern, and Lesser Tern. Digitally enhanced from our own original… https://www.rawpixel.com/image/411919/free-illustration-image-vintage-animals-common-tern-seagullFree Image from public domain licensePng sticker parasitic jaeger bird hand drawn https://www.rawpixel.com/image/2634517/free-illustration-png-abstract-animalView licensePng sticker parasitic jaeger bird hand drawn https://www.rawpixel.com/image/2634577/free-illustration-png-bird-animal-png-abstractView licensePng sticker pomarine jaeger bird hand drawn https://www.rawpixel.com/image/2634570/free-illustration-png-bird-vintage-abstractView licenseTransparent sticker great skua bird hand drawn https://www.rawpixel.com/image/2627832/free-illustration-png-vintage-birds-animal-pngView licenseVector great skua bird hand drawn https://www.rawpixel.com/image/2690236/premium-illustration-vector-animal-artwork-avesView licenseVector pomarine jaeger bird hand drawn https://www.rawpixel.com/image/2686698/premium-illustration-vector-abstract-animal-artworkView licenseVector parasitic jaeger bird hand drawn https://www.rawpixel.com/image/2686700/premium-illustration-vector-abstract-animal-artworkView licenseVector parasitic jaeger bird hand drawn https://www.rawpixel.com/image/2690795/premium-illustration-vector-abstract-animal-artworkView licenseGreat 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-birdFree Image from public domain licenseSkua Gull (Lestris Catarractes) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds of… https://www.rawpixel.com/image/321362/free-illustration-image-gould-bird-australiaFree Image from public domain licenseGreat skua (Stercorarius skua) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of… https://www.rawpixel.com/image/326165/premium-illustration-psd-america-ancient-animalView license