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Morphometric Analyses of Introduced and Ancestral Populations of the Eurasian Tree Sparrow
Vol 103, Iss 1, Page 1, Date 1991
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European Starling Fidelity to Diurnal Activity Centers: Role of Foraging Substrate Quality
Vol 103, Iss 1, Page 13, Date 1991
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House Wrens Adjust Laying Dates and Clutch Size in Relation to Annual Flooding
Vol 103, Iss 1, Page 25, Date 1991
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Routes and Timing of Migration of Falcons Banded in Canada
Vol 103, Iss 1, Page 44, Date 1991
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Sociality and Ontogeny of Coloration in the Blue-and-Black Jays
Vol 103, Iss 1, Page 59, Date 1991
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Characterization of Grit Use by Cornfield Birds
Vol 103, Iss 1, Page 68, Date 1991
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Variations in Diets of Nesting Common Ravens
Vol 103, Iss 1, Page 83, Date 1991
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Song Types of Black-Throated Green Warblers on Migration
Vol 103, Iss 1, Page 93, Date 1991
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Population Trends of Some Northeastern North American Landbirds: A Half-Century of Data
Vol 103, Iss 2, Page 165, Date 1991
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Diurnal Activity Budget of Female Ruddy Ducks Breeding in Manitoba
Vol 103, Iss 2, Page 183, Date 1991
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Polyterritorial Polygyny in the American Redstart
Vol 103, Iss 2, Page 190, Date 1991
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Neotropical Migrant Birds and Edge Effects at a Forest-Stream Ecotone
Vol 103, Iss 2, Page 204, Date 1991
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Approaches to the Conservation of Coastal Wetlands in the Western Hemisphere
Vol 103, Iss 2, Page 218, Date 1991
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Geographic Variation among Sage Grouse in Colorado
Vol 103, Iss 2, Page 255, Date 1991
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Special Review
Vol 103, Iss 2, Page 311, Date 1991
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Distribution and Breeding Biology of the Red-Fronted Macaw
Vol 103, Iss 3, Page 357, Date 1991
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Distribution and Nest Sites of the Monk Parakeet in Bolivia
Vol 103, Iss 3, Page 366, Date 1991
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Temporal Patterns of Singing Activity at Leks of the White-Bellied Emerald
Vol 103, Iss 3, Page 373, Date 1991
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Roosting and Diurnal Movements of Radio-Tagged American Crows
Vol 103, Iss 3, Page 387, Date 1991
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Population Dynamics of Blue Jays at a Bird Feeder
Vol 103, Iss 3, Page 401, Date 1991
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Effects of Predator Presence on the Nesting Distribution of White-Crowned Pigeons in Florida Bay
Vol 103, Iss 3, Page 415, Date 1991
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The Body Ruffling Display of the Black-Capped Chickadee
Vol 103, Iss 3, Page 426, Date 1991
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Ptilochronology: Induced Feather Growth in Northern Cardinals Varies with Age, Sex, Ambient Temperature, and Day Length
Vol 103, Iss 3, Page 435, Date 1991
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Forest Habitat Loss, Fragmentation, and Red-Cockaded Woodpecker Populations
Vol 103, Iss 3, Page 446, Date 1991
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Cavity Tree Selection by Red-Cockaded Woodpeckers in Relation to Tree Age
Vol 103, Iss 3, Page 458, Date 1991
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The Relationship between Breeding Bird Density and Vegetation Volume
Vol 103, Iss 3, Page 468, Date 1991
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Observations of Within-Colony Breeding Synchrony in Jackass Penguins
Vol 103, Iss 3, Page 480, Date 1991
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Notes on the Behavior and Ecology of the Red-Cotingas (Cotingidae: Phoenicircus)
Vol 103, Iss 4, Page 539, Date 1991
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Repeatability of Clutch Size in House Wrens
Vol 103, Iss 4, Page 552, Date 1991
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Sibling Species of Greenlets (Vireonidae) in Southern Brazil
Vol 103, Iss 4, Page 559, Date 1991
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Comparison of Nesting Habitat of Coexisting Sharp-Shinned and Cooper's Hawks in Missouri
Vol 103, Iss 4, Page 568, Date 1991
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Time Budgets and the Adaptiveness of Polyandry in Northern Jacanas
Vol 103, Iss 4, Page 578, Date 1991
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Time-Activity Budget of Wilson's and Semipalmated Plovers in a Tropical Environment
Vol 103, Iss 4, Page 598, Date 1991
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Migration and Mass Change of White-Rumped Sandpipers in North and South America
Vol 103, Iss 4, Page 621, Date 1991
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Seasonality, Habitat Use, and Flock Sizes of Shorebirds at the Bahia de Asunción, Paraguay
Vol 103, Iss 4, Page 637, Date 1991
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Specimens and Probable Breeding Activity of the Band-Rumped Storm-Petrel on Hawaii
Vol 103, Iss 4, Page 650, Date 1991
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Copulatory and Other Pre-Incubation Behaviors of Cooper's Hawks
Vol 103, Iss 4, Page 656, Date 1991
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Proceedings of the Seventy-Second Annual Meeting
Vol 103, Iss 4, Page 727, Date 1991