Smithsonian Institution
National Museum of Natural History: Snowy Owl
This Smithsonian website has a brief, but thorough, article on the Snowy Owl that also includes a picture and an extensive quote from the 19th Century naturalist Edward Nelson.
PBS
Nature: Cheetah
What are some of the cheetah's distinctive characteristics? Come and check out this resource featuring fun facts and information about the cheetah.