Brown Creeper (Certhia americana). Original public domain image from Flickr https://www.rawpixel.com/image/3309892/free-photo-image-animal-anthus-birdFree Image from public domain licenseSpotted SandpiperPhoto by Grayson Smith/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028841/photo-image-bird-nature-foodFree Image from public domain licenseWood Wren from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277230/free-illustration-image-audubon-wren-birds-america-public-domainFree Image from public domain licenseRuby crowned Wren from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277433/free-illustration-image-audubon-birds-america-public-domain-calendulaFree Image from public domain licenseBlack-headed Pardalote (Pardalotus melanocephalus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/320972/free-illustration-image-bird-gould-illustrations-australiaFree Image from public domain licenseStriated Pardalote (Pardalotus striatus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/320987/free-illustration-image-australia-wren-gould-illustrationsFree Image from public domain licenseYellow-rumped Pardalote (Pardalotus uropygialis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/320979/free-illustration-image-australia-century-birdFree Image from public domain licenseAllied Pardalote (Pardalotus affines) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/320997/free-illustration-image-wren-australia-gould-illustrationsFree Image from public domain licenseVintage sparrows mixed hand drawn bird collection https://www.rawpixel.com/image/2696509/premium-illustration-image-animal-artwork-avesView licenseVintage sparrows psd hand drawn collection https://www.rawpixel.com/image/2639680/premium-illustration-psd-animal-artwork-avesView licenseVintage bird psd hand drawn set https://www.rawpixel.com/image/2696185/premium-illustration-psd-vintage-bird-tit-glandarius-abstract-colourfuls-graphicView licenseVector mixed birds hand drawn set https://www.rawpixel.com/image/2686559/premium-illustration-vector-sparrow-bird-coal-tit-animalView license