1. Pinnated Grous. 2. Blue-Green Warbler. 3. Nashville W., from the book, American Ornithology, Alexander Lawson https://www.rawpixel.com/image/8845666/image-vintage-book-public-domainFree Image from public domain licensePNG Flying pigeon white bird. AI generated Image by rawpixel. https://www.rawpixel.com/image/12225860/png-background-cartoonView licenseThe Repository of Arts, Literature, Commerce, Manufactures, Fashions, and Politics, 1st series, vol. 1 https://www.rawpixel.com/image/9330512/image-paper-arts-collageFree Image from public domain licenseBlack grouse vintage bird png sticker hand drawn https://www.rawpixel.com/image/2634565/free-illustration-png-von-wright-brothers-bird-grouseView licenseVector black grouse bird hand drawn https://www.rawpixel.com/image/2686694/premium-illustration-vector-grouse-animal-artworkView license