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Spatial and Temporal Scales in Habitat Selection
Female yellow-headed blackbirds in eastern Washington State settle to nest at higher densities on marshes with higher emergence rates of odonates, the most important prey delivered to nestlings.Expand
The Evolution of Mating Systems in Birds and Mammals
TLDR
Mating system theory must mesh with theoretical advances concerning the evolution of territoriality, parental behavior, and animal sociality and by including the appropriate theoretical work from these other areas, an integrated theory of vertebrate mating systems can be developed. Expand
The Evolution of Monogamy: Hypotheses and Evidence
TLDR
Mating system theory revolves around two major issues: the factors determining which sex predominates in shap­ ing each mating system, and the factors deciding which mating system is optimal for members of the "controlling" sex. Expand
Animal Social Behavior
Group Size and Polygamy in Social Mammals
TLDR
Comparative evidence shows that female survival and reproductive rates are influenced by group size, as required by the model, and several tentative hypotheses concerning male reproductive strategies for social mammals are proposed. Expand
Male Quality and Polygyny: The "Sexy Son" Hypothesis Revisited
TLDR
The best experimental and correlative data comes from red-winged blackbirds, and an analysis of those data suggests that female redwings probably base their mate choices largely on territory quality, but neither proves nor disproves the importance of male quality. Expand
The Breeding Biology of an Isolated Bobolink Population in Oregon
TLDR
The results provide some pertinent evidence for evaluating current mating system theory and suggest a new factor that may affect the timing of breeding events of the Bobolinks population at Malheur Refuge. Expand
A Model for Delayed Reproduction in Iteroparous Animals
TLDR
A quantitative model to calculate thresholds for delayed breeding in iteroparous animals with discrete age classes is derived from the Euler-Lotka life-table equation and predicts that sexual bimaturism is favored in polygamous species when male experience influences ability to obtain mates. Expand
FACTORS AFFECTING HOW MALE AND FEMALE BOBOLINKS APPORTION PARENTAL INVESTMENTS
TLDR
The results suggest that trade-offs exist among brooding nestlings, feeding nest- lings, and self-maintenance, and imply that the relative value of investing in each of these activities differs between parents and changes according to weather conditions and food availability. Expand
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