Bufo boreas, breeding, colonization, habitat, succession, western toad
Pearl, Christopher A. and Bowerman, Jay
"Observations of rapid colonization of constructed ponds by western toads (Bufo boreas) in Oregon, USA,"
Western North American Naturalist: Vol. 66
, Article 14.
Available at: http://scholarsarchive.byu.edu/wnan/vol66/iss3/14