- 2004, Mute swans and their Chesapeake Bay habitats: proceedings of a symposium: U.S. Fish and Wildlife Service Information and Technology Report 2004-0005., vii, 59,
- Brooks, M. L.; Grace, J. B.; Keeley, J. E.; Pyke, D. A., 2004, Effects of invasive alien plants on fire regimes: U.S. Fish and Wildlife Service Publication Brief -
- Fleskes, J. P., 2004, Winter habitat selection by female northern pintails in the Tulare Basin, California. January 2004: U.S. Fish and Wildlife Service Publication Brief -
- Gilmer, D. S.; Yee, J. L.; Mauser, D. M.; Hainline, J. L., 2004, Waterfowl migration on Klamath Basin National Wildlife Refuges 1953-2001:: U.S. Geological Survey Biological Science Report USGS/BRD/BSR-2003-2004, 66 p.,
- Gogan, P. J. P.; Route, W. T.; Olexa, E. M.; Thomas, N.; Kuehn, D.; Podruzny, K. M., 2004, Gray wolves in and adjacent to Voyageurs National Park, Minnesota: Research and Synthesis 1987-1991: National Park Service Technical Report NPS/MWR/NRTR/2004-01, 68 p.,
- Johnson, James E.; Ebener, Mark P.; Gebhardt, Kenneth; Bergstedt, Roger, 2004, Comparison of catch and lake trout bycatch in commercial trap nets and gill nets targeting lake whitefish in northern Lake Huron: U.S. Fish and Wildlife Service Fisheries Research Report 2071, 25 p.,
- Knapp, E. E.; Stephens, S. L.; McIver, J. D.; Moghaddas, J. J.; Keeley, J. E., 2004, The fire and fire surrogate study in the Sierra Nevada: Evaluating restoration treatments at Blodgett Experimental Forest and Sequoia National Park,: U.S. Forest Service, Pacific Southwest Research Station General Technical Report PSW-GTR-193, p. 79-86,
- Kus, B. E., 2004, Determining nest predators of the Least Bell‘s Vireo: U.S. Fish and Wildlife Service Publication Brief -
- Mattson, David John; Barber, Kim; Maw, Ralene; Renkin, Roy, 2004, Coefficients of Productivity for Yellowstone‘s Grizzly Bear Habitat: U.S. Fish and Wildlife Service Biological Science Report 2002-0007, 76 p.,
- Takekawa, J. Y., 2004, Winter distribution and survival of a high-desert breeding population of canvasbacks: U.S. Fish and Wildlife Service Publication Brief -, 1 p.,
- U.S. Geological Survey, 2004, GAP Analysis Bulletin Number 12: U.S. Fish and Wildlife Service GAP Bulletin 12, 137 p.,
- van Mantgem, P. J., 2004, Does coring contribute to tree mortality?: U.S. Fish and Wildlife Service Publication Brief -
- van Mantgem, P. J., 2004, Fungi, fire, and the fate of sugar pine in the Sierra Nevada: U.S. Fish and Wildlife Service Publication Brief -
- van Wagtendonk, J. W., 2004, Fire and landscapes: patterns and processes: U.S. Forest Service General Technical Report PSW-GTR-193, p. 69-78,
- Wylie, G. D.; Casazza, M. L.; Carpenter, M., 2004, Bullfrogs are significant predators of giant garter snake young of the year: U.S. Fish and Wildlife Service Publication Brief -
