An up-close look at a giraffe at the Gladys Porter Zoo in Brownsville, Texas. Original image from Carol M. Highsmith’s… Free Image from public domain license 
One of the star attractions at the Duke Lemur Center in Durham, North Carolina. Original image from Carol M.… Free Image from public domain license 
Chimpanzee at the North Carolina Zoological Park in Asheboro, North Carolina. Original image from Carol M. Highsmith’s… Free Image from public domain license 
Plumes - Feathers (1900) by Adolphe Millot (1857-1921), a collection of different plume types. Digitally enhanced from our… Free Image from public domain license 
