| Budden, Diane P. 2010. Shade: A story about a very smart raven. Red Rock
Mountain Press. http://redrockwriting.com Training a raven to serve in
search and rescue.
Dudden, Diane P. 2013. The Un-Common Raven: One Smart Bird. Red Rock
Mountain Press. http://uncommonraven.com. A short guide to the common
raven (Corvus corax), illustrated by my photos.
Feher-Elston, C. 2005. Ravensong: A Natural and Fabulous History of Raven and
Crows. Jeremy P. Tracher/Penguin. First published by Northland Press 1991.
Hassler, L. 2008. The Raven: Soaring Through History, Legend & Lore. Rio Nuevo
Publishers. Great short summary.
Heinrich, B 1991. Ravens in Winter. Vintage Books. A classic scientific study.
Heinrich, B. 1999. Mind of the Raven: Investigations and Adventures with Wolf-bird
Cliff Street Books. Even more of a classic.
Marzluff, J. & T. Angell. 2005. In the Company of Crows and Ravens. Yale University.
Interprets the relationships between these birds and humans as “coevolution”.
Savage, C. 1995. Bird Brains: The Intelligence of Crows, Ravens, Magpies, and
Jays. Sierra Club Books. Excellent information on, and photos of, corvids.
Woolfson, E. 2009. Corvus: A Life with Birds. Counterpoint. Charming account of living with and observing corvids.