Meet the Common Raven — Sacramento Audubon Society
Crow curiosities: Do crows collect shiny objects?
Ravens can be better at planning ahead than four-year-old children, study finds, The Independent
The Ravens, Tower of London
Ravens You Pick the Team Contest Baltimore Ravens –
Raven Totem Native American Zodiac Signs & Birth Signs
Common Raven Bird Facts Corvus corax - AZ Animals
Crows Are as Intelligent as a Seven-Year-Old Child
Why are Bats, Owls, Toads, and Crows Associated with Halloween? • The National Wildlife Federation Blog
Nature up close: The intelligence of ravens - CBS News
Nature: Baby ravens pick up in four months skills that great apes take a lifetime to learn
Raven Nesting (Behavior, Eggs + Location)