J
James V. Briskie
Researcher at University of Canterbury
Publications - 96
Citations - 3703
James V. Briskie is an academic researcher from University of Canterbury. The author has contributed to research in topics: Population & Nest. The author has an hindex of 31, co-authored 92 publications receiving 3495 citations. Previous affiliations of James V. Briskie include University of Manitoba & University of Sheffield.
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The evolution of sperm size in birds.
TL;DR: It is suggested that future models of sperm‐size evolution consider not only the role of sperm competition, but also how female control and manipulation of ejaculates after insemination selects for different sperm morphologies.
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Sperm size and sperm competition in birds.
TL;DR: It is concluded that sperm competition influences sperm size in birds and detailed study of this interaction will provide a new dimension to the study of avian mating systems.
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Extra-pair paternity, sperm competition and the evolution of testis size in birds
TL;DR: It is demonstrated that testis mass is related positively to the level of extra-pair paternity, after controlling for body size and phylogeny, and it is argued that selection has favoured increased testismass in situations of more intense sperm competition in order to retaliate against copulations by rival males.
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Hatching failure increases with severity of population bottlenecks in birds
TL;DR: This study confirms that hatching failure is widespread and persistent among birds passing through severe bottlenecks and that the population sizes at which this fitness cost is expressed are several times greater than the number of individuals currently used to found most new populations of endangered species.
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Nest predation and the evolution of nestling begging calls
TL;DR: The relationship between call structure and the risk of predation supports the hypothesis that attracting predators is a direct cost of begging and that such costs can constrain any evolutionary escalation in the intensity of nestling begging.