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Front Matter, Vol. 57 No. 2

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Freshwater sponges (Porifera: Spongillidae) of western Montana
Susan H. Barton and John S. Addis

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Boggy meadows, livestock grazing, and interspecific interactions: influences on the insular distribution of montane Lincoln's Sparrows (Melospiza lincolnii alticola)
Carla Cicero

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Density, distribution, and habitat of Flammulated Owls in Idaho
Craig Groves, Terry Frederick, Glenn Frederick, Eric Atkinson, Melonie Atkinson, Jay Shepherd, and Gregg Servheen

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Den and relocation site characteristics and home ranges of Peromyscus truei in the White Mountains of California
Linnea S. Hall and Michael L. Morrison

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Late fall and early spring bird observations for Mulegé, Baja California Sur, Mexico
Robert C. Whitmore and R. Craig Whitmore

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Interannual abundance of nonnative fathead minnows (Pimephales promelas) in Upper Klamath Lake, Oregon
David C. Simon and Douglas F. Markle

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Winter habitat selection by reintroduced pronghorn on Antelope Island, Great Salt Lake, Utah
Melissa J. Kilgore and W. Sue Fairbanks

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Classification and ordination of Coleogyne communities in southern Nevada
Simon A. Lei and Lawrence R. Walker

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Biotic and abiotic factors influencing the distribution of Coleogyne communities in southern Nevada
Simon A. Lei and Lawrence R. Walker

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Variation in germination response to temperature and water availability in blackbrush (Coleogyne ramosissima) and its ecological significance
Simon A. Lei

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Diplostomiasis in native and introduced fishes from Yellowstone Lake, Wyoming
Victor H. Inchausty, Michael Foutz, Richard A. Heckmann, Claudete Ruas, and Paulo Ruas

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Winter survey of raptors with notes on avian scavengers in northwestern Colorado
Donald L. Beaver and Jan J. Roth

Erratum

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End Matter, Vol. 57 No. 2

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Full Issue, Vol. 57 No. 2