Unknown (1990) Field notebook pertaining to Oncorhynchus clarkii virginalis in Rito Angostura. Retrieved from Regional Office, USFS. 5 p.

Avise, J. C., W. S. Nelson, J. Arnold, R. K. Koehn, G. C. Williams and V. Thorsteinsson. 1990. The evolutionary genetic status of Icelandic eels. Evolution 44:1254-1262.

DeBruin, E. 1990. Field survey to Organ Mts, Long Canyon for Perityle Cernua Sept 5, 1990.

Betts, B. J. 1990. Geographic distribution and habitat preferences of Washington ground squirrels (Spermophilus washingtoni). Northwestern Naturalist 71:27-37.

Engstrom, R. T., G. S. Butcher, and J. D. Lowe. 1990. Population trends in the least tern (Sterna antillarum) from Maine to Virginia: 1975-1986. Pages 130-138 in J. R. Sauer and S. Droege, editors. Survey designs and statistical methods for the estimation

Kee, S. N. 1990. Old-growth mixed-coniferous red fir forest transition. Journal of Field Ornithology (Supplement) 61:56.

Petter, S.C., D.B. Miles, and M.M. White. 1990. Genetic evidence of mixed reproductive strategy in a monogamous bird. Condor 92:702-708.

Walter, H. S. 1990. Small viable population: the red-tailed hawk of Socorro Island. Conservation Biology 4:441-443.

Dunmire, W. 1990. Plant collection records 1990. 6 p.

Schulke (1990) Collected 1990 Mexican Spotted Owl Daytime Follow-up Visit Forms. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 179 p.

Apa, A. D., D. W. Uresk, and R. L. Linder. 1990. Black-tailed prairie dog populations one year after treatment with rodenticides. Great Basin Nat. 50:107-113.

Bucher, E. H. 1990. The influence of changes in regional land-use patterns on ZENAIDA dove populations. Pages 291-303 in J. Pinowski and J. D. Summers-Smith, editors. Granivorous birds in the agricultural landscape. Polish Scientific Publisher, Warszawa.

Frazer, C., J. R. Longcore, and D. G. McAuley. 1990a. Habitat use by postfledging American black ducks in Maine and New Brunswick. Journal of Wildlife Management 54:451-459.

Johnson, G., and R. E. Chambers. 1990. Response to conspecific, roadside playback recordings: an index of red-shouldered hawk breeding density. Pages 71-76 in Mitchell et al., eds. Ecosystem management: rare species and significant habitats. New York Stat

Lee, D. S., and W. R. Spofford. 1990. Nesting of golden eagles in the central and southern Appalachians. Wilson Bull. 102:693-698.

Ritchison, G., and M. K. Omer. 1990. Winter behavior of Northern Cardinals (CARDINALIS CARDINALIS). Transactions of the Kentucky Academy of Science 51:145-153.

Wiens, J. A., and B. Van Horne. 1990. Comparisons of the behavior of sage and Brewer's sparrows in shrubsteppe habitats. Condor 92:264-266.

Benson, R. H., and K. L. P. Benson. 1990. Estimated size of black-capped vireo population in northern Coahuila, Mexico. Condor 92:777-9.

Hendrickson, D. A. 1990. Non-game Research Biologist. Arizona Game and Fish Department, Phoenix, AZ.

Conover, M. R. 1990. Reducing mammalian predation on eggs by using a conditioned taste aversion to deceive predators. J. Wildl. Manage. 54:360-365.

Gray, M. T. 1990. Denver's urban beavers--a gnawing problem. Colorado Outdoors 39(1):27-29.

Lee, T. E., Jr. 1990. Geographic distribution of the cytotypes of Chaetodipus nelsoni canescens (Rodentia: Heteromyidae). Southwest. Nat. 454-455.

Petit, L. J., et al. 1990. Intersexual and temporal variation in foraging ecology of prothonotary warblers during the breeding season. Auk 107:133-145. See also Auk 107:146-152.

Siegel, R.S. and J.H. Brock. 1990. Germination requirements of key southwestern woody riparian species. Desert Plants 10:3-8.

Zicus, M. C. 1990. Nesting biology of hooded mergansers using nest boxes. J. Wildl. Manage. 54:637-643.

Gibbons, J. W. 1990. Life history and ecology of the slider turtle. Smithsonian Inst. Press, Washington, D.C. xiv + 368 pp.

Castetter, R. 1990. Field survey to Gray Ranch - Cottonwood Grove. 5, July, 1990.

Mehlhop, P. 1990. Field notes from field notebook on animal survey of the Organ Mts, Ice canyon, Ft. Bliss, Sept 4, 1990.

Dunmire, W. W. 1990. An investigation of biological resources focusing on plant and animal communities with recommendations for future management actions, Biological Inventory, Dark Canyon ACEC, Carlsbad Resource Area. Prepared for BLM by TNC Field Office

Pagels, J. F. 1990. Water shrew study progress report. Report submitted to Virginia Deptartment of Game and Inland Fisheries, Richmond, Virginia. Unpublished.

Best, T. L., et al. 1990. Ammospermophilus interpres. Am. Soc. Mamm., Mammalian Species No. 365:1-6.

Johnson, R.G., and S.A. Temple. 1990. Nest predation and brood parasitism of tallgrass prairie birds. Journal of Wildlife Management 54:106-111.

Mehlhop, P. 1990. Field survey to Gray Ranch - San Luis Pass - Beargrass 16 Aug. 1990.

McComb, W. C., J. R. Sedell, and T. D. Buchholz. 1990. Dam-site selection by beavers in an eastern Oregon basin. Great Basin Naturalist 50:273-281.

Ports, M. A., and S. B. George. 1990. Sorex preblei in the northern Great Basin. Great Basin Nat. 50:93-95.

Van Wagner, C. E., and A. J. Baker. 1990. Association between mitochondrial DNA and morphological evolution in Canada geese. J. Molecular Evol. 31:373-382.

Sibley, C. G., and J. E. Ahlquist. 1990. Phylogeny and classification of birds: a study in molecular evolution. Yale Univ. Press, New Haven. xxiii + 976 pp.

Daly, L. Parker, M. (1990) 1990 Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 24 p.

Meyer, K. D., and M. W. Collopy. 1990. Status, distribution, and habitat requirements of the American swallow-tailed kite (Elanoides forficatus) in Florida. Draft report No. NG86-025 submitted 29 July 1990. Florida Game and Fresh Water Fish Commission.

Choate, L. L., et al. 1990. Westward ho: continued dispersal of the pygmy mouse, Baiomys taylori, on the Llano Estacado and in adjacent areas of Texas. Occas. Pap. Mus. Texas Tech Univ. (134):1-8.

Malaby, S.M. and S. Wood. 1990. Interim Management Plan for Argemone pleiacantha ssp. pinnatisecta, Lincoln National Forest, Region 3, US Forest Service. . 11+ p.

Meany, C. A., S. A. Bissell, and M. B. Dillon. 1990. Colorado mammal distribution latilong study. Colorado Division of Wildlife, Denver, Colorado.

Unknown (1990) Final Report for Mexican Spotted Owl Survey in the Gila Wilderness, Contract Number 53-8399-0-0059. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 22 p.

Barrowclough, G. F., and R. J. Gutierrez. 1990. Genetic variation and differentiation in the spotted owl (STRIX OCCIDENTALIS). Auk 107:737-744.

DeBruin, E. 1990. Field survey to Organ Peak, Organ Mts, Sept 7, 1990.

Blair, T.C., J.S. Clark, and S.G. Wells. 1990. Quaternary continental stratigraphy, landscape evolution, and application to archeology: Jarilla piedmont and Tularosa graben floor, White Sands Missile Range, New Mexico. Ecological Society of America Bullet

Castetter, R. 1990. Xeroxed portion of 7.5' USGS topo map from Rick Castetter with location of spotted owl and 1 young seen. 22 June 1979.

Kelsch, S. W., and F. S. Hendricks. 1990. Distribution of the headwater catfish Ictalurus lupus (Osteichthyes: Ictaluridae). Southwestern Naturalist 35:292-297.

Petit, K. E., and K. A. Tarbin. 1990. First record of Prothonotary Warbler from Galapagos Islands, Ecuador. American Birds 44:1094.

Roth, J. J., and H. M. Smith. 1990. The milksnake, Lampropeltis triangulum, in northwest Colorado. Bulletin of the Chicago Herpetological Society 25(1):6-7.

White, C. M., R. W. Fyfe, and D. B. Lemon. 1990. The 1980 North American peregrine falcon, FALCO PEREGRINUS, survey. Canadian Field-Naturalist 104:174-181.

Gila National Forest. 1990. Mexican Spotted Owl daytime follow-up visit forms, survey for Mexican Spotted Owl.

Scott, N.J. 1990. Rana chiricahuensis database. Unpub MSB database printout of R. chiricahuensis specimens from NM at various museums. 70+ pp.

Bull, E. L., R. S. Holthausen, and M. G. Henju. 1990. Techniques for monitoring pileated woodpeckers. Forest Service General Technical Report. PNW-GRT-269.

Barrett, S. L. 1990. Home range and habitat of the desert tortoise (Xerobates agassizi) in the Pichaco Mountains of Arizona. Herpetologica 46:202-206.

Burger, J. 1990. Response of hatchling pine snakes (Pituophis melanoleucus) to cues of sympatric snakes. Copeia 1990:1160-3.

Garrison, T. E., and T. L. Best. 1990. Dipodomys ordii. Am. Soc. Mamm., Mammalian Species No. 353:1-10.

Johnson, W. N. and P. W. Brown. 1990. Avian use of a lakeshore buffer strip and an undisturbed lakeshore in Maine. Northern Journal of Applied Forestry 7:114-117.

MacIvor, L. H., S. M. Melvin, and C. R. Griffin. 1990. Effects of research activity on piping plover nest predation. J. Wildlife Management 54:443-447.

Rodgers, J. A., Jr. 1990. Breeding chronology and clutch information for the wood stork from museum collections. J. Field Ornithology 61:47-53.