Red-eyed Vireo from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University… https://www.rawpixel.com/image/277188/free-illustration-image-audubon-birds-america-public-domain-vireoFree Image from public domain license
74. The Warblink Greenlet (Vireo gilvus) 75. The Red-eyed Greenlet (Vireo olivaceus) illustration from Zoology of New York… https://www.rawpixel.com/image/329356/free-illustration-image-bird-eye-red-vintage-public-domainFree Image from public domain license
78. The White-eyed Greenlet (Vireo noveboracensis) 79. The Red-eyed Greenlet (Vireo olivaceus) illustration from Zoology of… https://www.rawpixel.com/image/329336/free-illustration-image-birds-new-york-vireo-zoologyFree Image from public domain license