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Bury, R. and J. Whelan. 1984. Ecolody and
managment of the bullfrog. Res. Pub. 155. U.S. Fish and WIldlife
Service 23 pp.
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Mountain and Southwest. Library of Natural sounds. Laboratory
of Ornithology. Ithaca, NY.
NOTE:
This tape is available commercially in CD ($15.95) or cassette ($12.95)
from Wildbirds Unlimited (1-800-326-4298), ABA Sales (1-800-634-7766),
or the Las Angeles Audubon Society (213/ 876-0202)
Federal Register. 1997. Vol. 62 (182): 49401-49402.
September 19, 1997.
Hayes, M and R, Jennings. 1986. Decline oof
anid frog specie in western North America: Are bullfrogs (Rana caesbeiana)
responsible? Journ. Herpetology.20:490-509.
Kock, E. and C. Peterson. 1999 Personal communication.
Thompson P. 1999. Amphibian surveys in the Northern
Region, Annual Report. Utah Division of Wildlife Resources.
Ogden, Utah. 12 pp.
Stebbin, R. 1985. Western reptiles and amphibians.
Houghton Mifflin Co. Boston, MA. 336 pp.
National Audubon Society. 1998. Field guide
to North American reptiles and amphibians. Alfred A. Knopf, New York.
742 pp.
Utah Division of Wildlife Resources. 1999.
Annual progress report for Spotted frog (Rana Luteiventris) in the
state of Utah. Publication 99-13. Utah Div. wildlife Res. 20
pp.
Whitaker, J. 1983. Food habits of the spotted frog (Rana
prestiosa) from managed sites in Grant County, Oregon. Northwest
Science 57(2):147-154.
Wyoming Game and Fish Department. 1997 Atlas of
birds, mammals, reptiles, and amphibians in Wyoming. Wyoming Game
and Fish Department, Non game Program, Lander WY. 192 pp.
Yeo, J. and C. Peterson. 1998. Amphibian and reptile distribution
and habitat relationships in the Lost River Mountains and Challis Resource
Areas. Technical Bull. No 98-10, Bureau of Land Management.
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