107. The Blue-grey Warbler (Sylvicola cærulea) 108.
https://www.rawpixel.com/image/329299/free-illustration-image-yellow-warbler-vintage-bird-public-domain-zoology-new-yorkFree Image from public domain license
112. The Spotted Warbler (Sylvicola maculosa) 113.
36. The Arctic Woodpecker (Picus arcticus) 37. The Red-bellied Woodpecker (Picus carolinus) illustration from Zoology of New…
https://www.rawpixel.com/image/329358/free-illustration-image-woodpecker-red-vintage-public-domain-james-ellsworthFree Image from public domain license
250. Eider Duck (Fuligula mollissima) 251. King Duck (Fuligula spectabilis) illustration from Zoology of New York…