Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Male-female pairs"”.
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The Agonistic and Reproductive Behaviors of the Gulf Killifish, Fundulus grandis and Their Physiological Components.
… 32 acts, 5 of which are found only in the male. The acts are described and categorized by function.Male-male and male-female pairs were observed for agonistic and reproductive behaviors, diel rhythms of behavior, endogenous hormone levels (testosterone for males; estrogens for females), and …
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Behavior and communication in the short bare-tailed opossum (Monodelphis domestica)
… explored, groomed, and scent marked. Familiar male-female pairs displayed less aggression than unfamiliar male-female pairs. Non-estrous females aggressively repelled males and exhibited much dominance related behavior, but male-male pairs were the most agonistic. Seven scent marking modes were …
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Vocalizations and morphology of the red crossbill (Loxia curvirostra L.) in the southern Appalachians
… and body size, and the members of each of 20 male-female pairs were of the same size class. One of the forms from Virginia has been tape recorded in western North America in 1983 and in previous years, showing that vocal classes are not local dialects. Evidence presented here suggests that …
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Effects of PCBs and PBDEs on response inhibition and dopaminergic signaling
… PBDEs may be a contributing factor in ADHD. Female Long Evans rats received daily oral doses of either 3 or 6 mg/kg of an environmentally-relevant PCB mixture, 11.4 or 22.8 mg/kg of the commercial PBDE solution DE-71, or corn oil vehicle (i.e., 5 treatment groups) from 4 weeks prior to …
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Spatial ecology, habitat use, genetic diversity, and reproductive success: measures of connectivity of a sympatric freshwater turtle assemblage in a fragmented landscape
… between two fragmented sites. Gene flow was male-biased in E. blandingii across the fragmented sites but differences in patterns of dispersal between males and females in C. picta and C. serpentina were weak. I found no evidence of genetic population bottlenecks in any species, but …
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The Social System of the Round-Eared Sengi(Macroscelides proboscideus)
… I determined the social organisation and male mate guarding in wild animals in the Goegap Nature Reserve, South Africa. Data were collected over three successive breeding seasons and one non-breeding season by radio-tracking and trapping over a period of 2.5 years. Additionally, extra-pair …