Bufo boreas, population size, potential prey, potential predator
Robinson, Megan; Donovan, Michael P.; and Schwaner, Terry D.
"Western toad, Bufo boreas, in southern Utah: notes on a single population along the East Fork of the Sevier River,"
Great Basin Naturalist: Vol. 58
, Article 10.
Available at: http://scholarsarchive.byu.edu/gbn/vol58/iss1/10