Svendsen, G. E. 1989. Pair formation, duration of pair-bonds, and mate replacement in a population of beavers (Castor canadensis). Canadian Journal of Zoology 67:336-340.

Zucker, N. 1989. Dorsal darkening and territoriality in a wild population of the tree lizard, Urosaurus ornatus. Journal of Herpetology 23:389-398.

Johnson, T.H. 1989. Draft site specific (R-57) management plan information for Falco peregrinus. 19 p.

U.S. Fish and Wildlife Service (USFWS). 1989. Endangered and threatened wildlife and plants; determination of endangered status for the Virgin River chub. Federal Register 54:35305-11.

Beuchat, C. A. 1989. Patterns and frequency of activity in a high altitude population of the iguanid lizard, Sceloporus jarrovi. J. Herpetol. 23:152-158.

Doak, D. 1989. Spotted owls and old growth logging in the Pacific Northwest. Conserv. Biol. 3:389-396.

Holt, D. W., and R. Kline. 1989. Glaring gnome. Montana Outdoors 20:13-15.

Minta, S. C. and T. W. Clark. 1989. Habitat suitability analysis of potential translocation sites for black-footed ferrets in northcentral Montana. Pp. 29-45 in T. W. Clark, D. Hinckley and T. Rich (eds.). The prairie dog ecosystem: managing for biologica

Seymour, K. L. 1989. PANTHERA ONCA. Am. Soc. Mamm., Mammalian Species No. 340:1-9.

Warrick, G. D., and P. R. Krausman. 1989. Barrel cacti consumption by desert bighorn sheep. Southwest. Nat. 34:483-486.

Kus, B.E., and K.L. Miner. 1989. Use of non-riparian habitats by Least Bell's Vireos. USDA Forest Service, Gen. Tech. Rep. PSW-110.

Anderson, B.W., and S.A. Laymon. 1989. Creating habitat for the Yellow-billed Cuckoo (COCCYZUS AMERICANUS). Pages 468-472 in USDA Forest Service, General Technical Report PSW-110.

Broschart, M. R., C. A. Johnston, and R. J. Naiman. 1989. Predicting beaver colony density in boreal landscapes. Journal of Wildlife Management 53:929-934.

Ganey, J. L., and R. P. Balda. 1989a. Distribution and habitat use of Mexican spotted owls in Arizona. Condor 91:355-361.

Kinkel, L. K. 1989. Lasting effects of wing tags on ring-billed gulls. Auk 106:619-624.

Nichols, A.O. 1989. How to make biological surveys go further with generalized linear models. Biological Conservation 50(1989):51-75.

Slough, B. G. 1989. Movements and habitat use by transplanted marten in the Yukon Territory. J. Wildl. Manage. 53:991-997.

Gibbs, J. P., Hampden, Maine.

Stiles, F. G. and A. F. Skutch. 1989. A guide to the birds of Costa Rica. Cornell University Press, Ithaca, New York, USA. 511 pp.

Root, T. 1989. Atlas of wintering North American birds: an analysis of Christmas Bird Count data. Univ. Chicago Press. 336 pp., 42 line drawings, 613 maps, 11 overlays.

Burns, J. A., D. L. Flath and T. W. Clark. 1989. On the structure and function of white-tailed prairie dog burrows. Great Basin Nat. 49:517-24.

England, A.S., and W.F. Laudenslayer, Jr. 1989. Distribution and seasonal movements of Bendire's thrasher in California. Western Birds 20:97-123.

Joglar, R. L. 1989. Phylogenetic relationships of the West Indian frogs of the genus Eleutherodactylus: a morphological analysis. Pages 371-408 in C. A. Woods, ed. Biogeography of the West Indies. Sandhill Crane Press, Gainesville, Florida.

Melvin, S.M., D.G. Smith, D.W. Holt, and G.R. Tate. 1989. Small owls. Pages 88-96 in B.G. Pendleton, editor. Proceedings of the Northeast raptor management symposium and workshop. National Wildlife Federation, Washington, D.C. 353 pp.

Plante, Y., P. T. Boag, and B. N. White. 1989. Macrogeographic variation in mitochondrial DNA of meadow voles (Microtus pennsylvanicus). Can. J. Zool. 67:158-167.

Spellenberg, R., and P. Knight. 1989. A new species of Erigeron (Asteraceae: Astereae) from central New Mexico. Madrono 36(2): 115-121.

Clippinger, N.W. 1989. Habitat suitability index models: black-tailed prairie dog. Biological report 82(10.156) for the USFWS.

Morrison, J.L. 1989. Distribution, population status, life history, and habitat affinities of the Meadow Jumping mouse, Zapus hudsonius luteus in the Sacramento mountains, New Mexico. 37 p.

Zembal, R., B. M. Massey, and J. M. Fancher. 1989. Movements and activity patterns of the light-footed clapper rail. Journal of Wildlife Management 53:39-42.

Ernst, C. H., and R. W. Barbour. 1989a. Turtles of the world. Smithsonian Institution Press, Washington, D.C. xii + 313 pp.

Honeycott, P. (1989) FGila National Forest, Quenado Ranger District, Spotted Owl Survey Form 1. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 29 p.

Various (1989) Carson National Forest Spotted Owl Form. Questa Ranger District, Carson National Forest, USFS. 6 p.

Ridgely, R. S. and G. Tudor. 1989. The birds of South America. Volume 1. University of Texas Press, Austin, USA. 516 pp.

Carothers, C. A. (1989) Gila National Forest, Spotted Owl Survey Form 1. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 13 p.

Kibbe, D. 1989. Survey of Vermont's rare marshland bird species. Unpubl. report, Hoboken, New Jersey. 8 pp.

Brown, J.R. and S. Archer. 1989. Woody plant invasion of grasslands: establishment of honey mesquite (Prosopis glandulosa var. glandulosa) on sites differing in herbaceous biomass and grazing history. Oecologia. 80:19-26.

Cross, D.H., K.L. Flemming. 1989. Control of Phragmites or Common Reed. Fish and Wildl, Leafl. 13.4.12. 5 pp.

James, P. C. and T. J. Ethier. 1989. Trends in the winter distribution and abundance of burrowing owls in North America. Am. Birds 43:1224-1225.

Marquis, R. J., and G. O. Batzli. 1989. Influence of chemical factors on palatability of forage to voles. Journal of Mammalogy 70:503-11.

Tanner, W. W. 1989. Status of Spea stagnalis Cope (1875), Spea intermontanus Cope (1889), and a systematic review of Spea hammondii Baird (1839) (Amphibia: Anura). Great Basin Nat. 49:503-510.

Zwank, P. J., P. M. McKenzie, and E. B. Moser. 1989. Mottled duck habitat use and density indices in agricultural lands. J. Wildl. Manage. 53:110-114.

U.S. Fish and Wildlife Service (USFWS). 1989. Recovery plan for Roseate Tern STERNA DOUGALLII northeastern population. U.S. Fish and Wildlife Service, Newton Corner, MA.

Bisbal, F. J. 1989. Distribution and habitat association of the carnivores in Venezuela, Pages 339-361 in K. H. Redford, and J. F. Eisenberg, eds. Advances in Neotropical mammalogy. Gainesville, Florida, Sandhill Crane Press.

Douglas, M. E., W. L. Minckley, and H. M. Tyus. 1989. Qualitative characters, identification of Colorado River chubs (Cyprinidae: genus Gila) and the "art of seeing well." Copeia 1989:653-662.

Hone, J., and C. P. Stone. 1989. A comparison and evaluation of feral pig management in two national parks. Wildl. Soc. Bull. 17:419-425.

Miyamoto, M. M., S. M. Tanhauser, and P. J. Laipis. 1989. Systematic relationships in the artiodactyl tribe Bovini (family Bovidae), as determined from mitochondrial DNA sequences. Syst. Zool. 38:342-349.

Spendelow, J. A., and J. D. Nichols. 1989. Annual survival rates of breeding adult roseate terns. Auk 106:367-374.

Watts, B. D. 1989. Nest-site characteristics of yellow-crowned night-herons in Virginia. Condor 91:979-983.

Miller, E. 1989. Population turnover rate and early-season usage of multi-lake territories by common loons in upper Michigan/Wisconsin. North American Loon Fund, Meredith, New Hampshire. Unpublished report.

Anonymous. 1989. All-female lizards are rare in U. S. New Mexico Wildlife. 34(3):31-32.

Burr, B.M., B.R. Kuhajda, W.W. Dimmick and J.M. Grady. 1989. Distribution, biology, conservation status of the carolina madtom, Noturus furiosus, an endemic North Carolina catfish. Brimleyana 15:57-86.

George, S. B. 1989. Sorex trowbridgii. Am. Soc. Mamm., Mammalian Species No. 337:1-5.

King, K. A. 1989. Food habits and organochlorine contaminants in the diet of olivaceous cormorants in Galveston Bay, Texas. Southwest. Nat. 34:338-343.

Niles, L. J., and K. E. Clark. 1989. Prey management for migrating raptors. Pages 154-61 in B. G. Pendleton (editor). Proceedings of the Northeast raptor management symposium and workshop. National Wildlife Federation, Washington, D.C. 353 pp.

Smith, G. A. 1989. Point Peninsula, Jefferson County; mouse raptor mecca during the winter of 1987-1988. Kingbird 39(1):7-20.

Thompson, M. C. and C. Ely. 1989. Birds in Kansas. Vol. 1. University of Kansas Museum of Natural History, Lawrence, Kansas.

Ryan, J. M. 1989. Comparative myology and phylogenetic systematics of the Heteromyidae (Mammalia, Rodentia). Univ. Michigan Museum Zoology Miscellaneous Publication (176):1-103.

Faith, D.P. and R.H. Norris. 1989. Correlation of environmental variables with patterns of distribution and abundance of common and rare freshwater macroinvertebrates. Biological Conservation 50(1989):77-98.

Johnson, D. B., F. S. Guthery, and N. E. Koerth. 1989. Grackle damage damage to grapefruit in the Lower Rio Grande Valley. Wildl. Soc. Bull. 17:46-50.

Metcalfe, C. D. 1989. Tests for predicting carcinogenicity in fish. Reviews in Aquatic Sciences 1(1):111-129.