“Neoichnology (Greek néos „new“, íchnos „footprint“, logos „science“) is the science of footprints and traces of extant animals. … Neoichnological methods are used in order to study the locomotion and the resulting tracks of both invertebrates and vertebrates.[1]

Bezener, A., & Kershaw, L. (1999). Rocky Mountain nature guide. Edmonton: Lone Pine Pub. ISBN: 1-55105-178-8

Brown, L. (1977). Weeds in winter. Boston: Houghton Mifflin. ISBN: 0-395-25785-9

Brown, T. (1999). The science and art of tracking. New York: Berkley Books.  ISBN: 0-4251-5772-5

Brown, T., & Morgan, B. (1983). Tom Brown’s Field guide to nature observation and tracking. New York: Berkley Books.  ISBN: 0-425-06177-9

Burt, W. H. (1998). A field guide to the mammals: North America north of Mexico. Boston: Houghton Mifflin. ISBN: 0-395-91098-6

Elbroch, M. (2003). Mammal tracks & sign: A guide to North American species. Mechanicsburg, PA: Stackpole Books. ISBN: 0-8117-2626-6

Falkingham, P. L., Marty, D., & Richter, A. (2016). Dinosaur tracks: The next steps. Bloomington: Indiana University Press.  ISBN: 978-0253-0210-21

Farrand, J. (2006). Familiar animal tracks. New York: Knopf.  ISBN: 0-679-74148-8

Foster, S., & Caras, R. A. (1998). A field guide to venomous animals and poisonous plants, North America, north of Mexico. Boston: Houghton Mifflin. ISBN: 0-395-93608-X

Halfpenny, J. C. (1986). A field guide to mammal tracking in North America. Boulder: Johnson Books.  ISBN: 0-933472-98-6

Halfpenny, J. C. (2001). Scats and tracks of the Rocky Mountains: A field guide to the signs of 70 wildlife species. Guilford Conn.: Globe Pequot Press.  ISBN: 0-7627-1241-4

Heinrich, B. (2002). Mind of the raven: Investigations and adventures with wolf-birds. New York: Ecco. ISBN: 0-06-017447-1

Kricher, J. C., & Kricher, J. C. (1998). A field guide to Rocky Mountain and southwest forests. Boston: Houghton Mifflin.  ISBN: 0-395-92897-4

Liebenberg, L. (2001). The art of tracking: The origin of science. Claremont: David Philip.  ISBN:0-86486-293-8

Martin, A. C., Zim, H. S., Nelson, A.L. (1961). American wildlife & plants a guide to wildlife food habits. (1951 – McGraw-Hill) (1961 – General Publishing Company, 30 Lesmill Rd., Don Mills, Toronto, CA.).  ISBN: 486-20793-5

Murie, O. J. (1987). A field guide to animal tracks. Boston: Houghton Mifflin. ISBN: 0-395-18323-5

Murie, O. J. (1974). Peterson Field Guides: Animal Tracks. New York: Houghton Mifflin Company. 0-395-91094-3

Peterson, R. T. (1990). A field guide to western birds: The completely new guide to field marks of all species found in North America west of the 100th meridian and north of Mexico. Boston, MA: Houghton Mifflin.  ISBN: 0-395-91173-7

Reid, G. K., Zim, H. S., Fichter, G. S., Dolan, T., & Kaicher, S. D. (2001). Pond life: A guide to common plants and animals of North American ponds and lakes. New York: St. Martin’s Press.  ISBN: 1-58238-130-5

Rezendes, P. (1999). Tracking & the art of seeing: How to read animal tracks & sign. New York: Harper Perennial.  ISBN: 0-06-273524-1

Robertson, K. (1986). Signs along the river: Learning to read the natural landscape. Boulder, CO: Roberts Rinehart. ISBN: 0-911797-22-X

Searfoss, G. (1995). Skulls and bones: A guide to the skeletal structures and behavior of North American mammals. Mechanicsburg, PA: Stackpole Books.  ISBN: 0-8117-2571-5

Sibley, D. (2003). The Sibley field guide to birds of western North America. New York: Knopf.  ISBN: 0-679-45121-8

Stall, C. (1989). Animal tracks of the Rocky Mountains. Seattle: Mountaineers.  ISBN: 0-89886-185-3

STEBBINS, R. C. (2003). Western reptiles and amphibians: Peterson field guides. New York: HOUGHTON MIFFLIN.  ISBN: 0-395-98272-3

Stokes, D. W., & Stokes, L. Q. (1986). A guide to animal tracking and behavior. Boston: Little, Brown.  ISBN: 0-316-81734-1

Taylor, R. J. (1998). Sagebrush country: A wildflower sanctuary. Missoula, Mon.: Mountain Press. ISBN: 0-87842-280-3

Terres, J. K. (1987). The Audubon Society encyclopedia of North American birds. New York: Knopf.  ISBN: 0-394-46651-9

Wernert, S. J. (2000). Reader’s Digest North American wildlife. Pleasantville, NY: Reader’s Digest Association.  ISBN: 0-7621-0020-6

Young, J., Haas, E., & McGown, E. (2010). Coyote’s guide to connecting with nature. Shelton, WA: OWLLink Media.  ISBN: 978-1-57994-025-6

Zim, H. S., Smith, H. M., & Irving, J. G. (2001). Reptiles and amphibians. New York: St. Martin’s Press.  ISBN:1-58238-131-3