Front Matter
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A Comparison of Sound Propagation and Song Frequency in Temperate Marsh and Grassland Habitats
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Male Copulatory Guarding Enhances Female Foraging in a Water Strider
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Sex Differences in the Ontogeny of Social Behavior in Pikas: Possible Relationships to Dispersal and Territoriality
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Male Choice: Experimental Demonstration in a Brentid Weevil
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Sympatry and Allopatry of Song in North American Tanagers
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"Chance" and Mixed-Species Associations
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Changing Priorities: The Effect of Pre-Migratory Fattening on the Trade-Off between Foraging and Vigilance
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Vibrations in the Orbwebs of Nuctenea sclopetaria (Araneidae): I. Transmission through the Web
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Vibrations in the Orbwebs of Nuctenea sclopetaria (Araneidae): II. Prey and Wind Signals and the Spider's Response Threshold
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The Behavioral Regulation of Monogamy in Gibbons (Hylobates muelleri)
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Variations in the Demographic Structure and Dynamics of Gelada Baboon Populations
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