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Articles 1 - 15 of 15
Full-Text Articles in Behavior and Ethology
Intrasexual Territoriality, Degree Of Aggression, And Duet Function In The Carolina Wren (Thryothorus Ludovicianus), Danny Zapata
Intrasexual Territoriality, Degree Of Aggression, And Duet Function In The Carolina Wren (Thryothorus Ludovicianus), Danny Zapata
MSU Graduate Theses
Territorial behavior is fundamental for the reproductive success of many species. In many monogamous birds, mated pairs defend year-round territories from conspecifics. Males and females often participate in such interactions in a seemingly cooperative fashion. Furthermore, many of them have developed complex vocal interactions known as duets, in which one member of a pair overlaps its partner’s song in a more or less coordinated fashion, apparently to cooperate in territory defense. However, males and females often respond differently depending on the sex of the intruder; they differ in the degree and mode of aggression displayed during these interactions, and the …
Acoustic Communication In The Atlantic Mudskipper, Periopthalmus Barbarus, Seth Hoffman
Acoustic Communication In The Atlantic Mudskipper, Periopthalmus Barbarus, Seth Hoffman
Mahurin Honors College Capstone Experience/Thesis Projects
Mudskippers are intertidal fishes that can survive both in and out of the water. They are territorial and exhibit behaviors to attract mates and defend against competitors. Recently, it has been shown that vibrations are produced and transmitted through the mud during such displays in one species, Periophthalmodon septemradiatus. To see if similar vibrations are produced in other species of mudskippers, I recorded the behavioral interactions of pairs of the mudskipper Periophthalmus barbarus via digital video and acoustic signals via accelerometer. Comparative analysis of fish mass, sex, contest length, and contest outcome coupled with acoustic characteristics within dyadic pairings …
Behavioral Ecology Of Territorial Aggression In Uca Pugilator And Uca Pugnax, Abbey N. Thomas
Behavioral Ecology Of Territorial Aggression In Uca Pugilator And Uca Pugnax, Abbey N. Thomas
Honors Theses
The nature of animal aggression has long been a research interest in many different scientific fields. Resources, including food, shelter, and mates are all common assets for which animals compete. Two species of fiddler crabs, the Atlantic Sand Fiddler Crab (Uca pugilator) and the Atlantic Marsh Fiddler Crab (U. pugnax) were studied in regards to their aggression shown when competing for shelter. One crab was placed in a contained shelter for two days, and then a second of the same species was introduced. Aggressive interactions were scored and compared with claw and carapace size to ascertain …
Territorial Behavior In Southern Red-Backed And Ozark Zigzag Salamanders: Effects Of Sex, Species, And Ownership, Colton Savage Lynn
Territorial Behavior In Southern Red-Backed And Ozark Zigzag Salamanders: Effects Of Sex, Species, And Ownership, Colton Savage Lynn
MSU Graduate Theses
Territorial disputes are common among terrestrial woodland salamanders (genus Plethodon). Males and females of both Ozark zigzag (P. angusticlavius) and southern red-backed (P. serratus) salamanders are territorial, but differing costs and benefits between sexes may influence the expression of territorial behavior. I compared the competitive and exploratory behavior of males and females of both species in laboratory experiments. Competitive behavior was assessed through staged contests between same-sex, same-sized conspecifics. There were no differences between males and females for territory owners (residents). Female intruders were more aggressive than male intruders, spending more time in and performing higher grades …
Male Territoriality In A Social Sciurid, Cynomys Gunnisoni: What Do Patterns Of Paternity Tell Us?, J. L. Verdolin, C. N. Slobodchikoff
Male Territoriality In A Social Sciurid, Cynomys Gunnisoni: What Do Patterns Of Paternity Tell Us?, J. L. Verdolin, C. N. Slobodchikoff
Con Slobodchikoff, PhD
In many social sciurids, male territoriality confers significant mating advantages. We evaluated resident male paternity in Gunnison’s prairie dogs (Cynomys gunnisoni), a colonial ground-dwelling sciurid, where males and females cooperatively defend territories. Contrary to findings reported for other social sciurids, our results show that territorial resident males do not gain significant reproductive advantages. Resident males sired the majority of offspring from their respective territories only 10.5% of the time. A single non-resident male sired equal or greater number of offspring than any single resident male 71.2% of the time. While adult males were more likely to sire a greater number …
The Behavioral Ecology Of Amblypygids, Kenneth J. Chapin, Eileen A. Hebets
The Behavioral Ecology Of Amblypygids, Kenneth J. Chapin, Eileen A. Hebets
Eileen Hebets Publications
Arachnologists have uncovered tantalizing details about amblypygid behavioral ecology—the study of the fitness consequences of their behavior. Thus, it is the aim of this review to position Amblypygi as a useful system in which to investigate the principles of animal behavioral ecology. We synthesize amblypygid habitat preference and navigation modalities; predator, prey, parasite, parasitoid, cannibal, and commensal interactions; resource contests and territoriality; mating systems and mate choice; parental investment and sociality; and genetics and genomics as they relate to behavioral ecology. We present ideas for future research in each of these areas and discuss future directions for Amblypygi behavioral ecology …
Territorial Defense Strategies In The Northern Cardinal (Cardinalis Cardinalis): Who Is The Bigger Threat?, Kaylee M. Gentry
Territorial Defense Strategies In The Northern Cardinal (Cardinalis Cardinalis): Who Is The Bigger Threat?, Kaylee M. Gentry
Master's Theses
This thesis examines the use of defensive strategies in relation to territories year round in the northern cardinal (Cardinalis cardinalis). Responses to recorded neighbor song and stranger song playback from the middle of a focal male’s territory were measured. This allowed for an estimation of aggression in both the winter and spring seasons. Each focal male was subjected to both treatments (stranger song and neighbor song). Males were more responsive over-all to neighbor song playback, however in the winter months, persistence of response to neighbor song playback increased. It was also shown that southeastern United States cardinals show …
Perch Selection By Male Dragonflies (Odonata, Anisoptera) Related To Competitive Ability And Species Composition, Jessica L. Beard
Perch Selection By Male Dragonflies (Odonata, Anisoptera) Related To Competitive Ability And Species Composition, Jessica L. Beard
Biological Sciences Theses & Dissertations
Males of many species of dragonflies (Odonata, Anisoptera) establish territories in aquatic habitats where they compete with other males for access to food and females. Territorial males typically perch on emergent vegetation and chase rival males who intrude into their territories. This dissertation research examined the role of male size in perch height selection, position on the perch, and competitive ability. Four hypotheses were tested: 1) Dragonfly species would vary by size and that territorial species would show sexual size dimorphism (SSD), 2) Perch height selection would be related to dragonfly size, 3) Position on the perch would be related …
Factors Affecting The Spatial Distribution Of Oviposition Sites For Tandem Black Saddlebags Dragonflies (Odonata: Libellulidae), Jessica L. Thornton, Paul V. Switzer
Factors Affecting The Spatial Distribution Of Oviposition Sites For Tandem Black Saddlebags Dragonflies (Odonata: Libellulidae), Jessica L. Thornton, Paul V. Switzer
Paul V. Switzer
Oviposition site location may be affected by (1) factors influencing the costs and benefits to the offspring (e.g., resource availability, competition, predation risk) and (2) factors influencing the costs and benefits to the female (e.g., predation risk or mate ha- rassment). In cases in which both the male and female are involved in locating a site, costs and benefits may differ for each parent and the resulting oviposition site location may represent the outcome of selection pressures on one or both of them. We studied oviposi- tion behavior in the black saddlebags dragonfly (Tramea lacerata Hagen), a species in which …
Factors Affecting The Spatial Distribution Of Oviposition Sites For Tandem Black Saddlebags Dragonflies (Odonata: Libellulidae), Jessica Thornton, Paul Switzer
Factors Affecting The Spatial Distribution Of Oviposition Sites For Tandem Black Saddlebags Dragonflies (Odonata: Libellulidae), Jessica Thornton, Paul Switzer
Faculty Research & Creative Activity
Oviposition site location may be affected by (1) factors influencing the costs and benefits to the offspring (e.g., resource availability, competition, predation risk) and (2) factors influencing the costs and benefits to the female (e.g., predation risk or mate ha- rassment). In cases in which both the male and female are involved in locating a site, costs and benefits may differ for each parent and the resulting oviposition site location may represent the outcome of selection pressures on one or both of them. We studied oviposi- tion behavior in the black saddlebags dragonfly (Tramea lacerata Hagen), a species in which …
Factors Affecting The Spatial Distribution Of Oviposition Sites For Tandem Black Saddlebags Dragonflies (Odonata: Libellulidae), Jessica L. Thornton, Paul V. Switzer
Factors Affecting The Spatial Distribution Of Oviposition Sites For Tandem Black Saddlebags Dragonflies (Odonata: Libellulidae), Jessica L. Thornton, Paul V. Switzer
Faculty Research & Creative Activity
Oviposition site location may be affected by (1) factors influencing the costs and benefits to the offspring (e.g., resource availability, competition, predation risk) and (2) factors influencing the costs and benefits to the female (e.g., predation risk or mate ha- rassment). In cases in which both the male and female are involved in locating a site, costs and benefits may differ for each parent and the resulting oviposition site location may represent the outcome of selection pressures on one or both of them. We studied oviposi- tion behavior in the black saddlebags dragonfly (Tramea lacerata Hagen), a species in which …
Privatization And Property In Biology, Joan E. Strassmann, David C. Queller
Privatization And Property In Biology, Joan E. Strassmann, David C. Queller
Biology Faculty Publications & Presentations
Organisms evolve to control, preserve, protect and invest in their own bodies. When they do likewise with external resources they privatize those resources and convert them into their own property. Property is a neglected topic in biology, although examples include territories, domiciles and nest structures, food caching, mate guarding, and the resources and partners in mutualisms. Property is important because it represents a solution to the tragedy of the commons; to the extent that an individual exerts long-term control of its property, it can use it prudently, and even invest in it. Resources most worth privatizing are often high in …
Male Territoriality In A Social Sciurid, Cynomys Gunnisoni: What Do Patterns Of Paternity Tell Us?, J. L. Verdolin, C. N. Slobodchikoff
Male Territoriality In A Social Sciurid, Cynomys Gunnisoni: What Do Patterns Of Paternity Tell Us?, J. L. Verdolin, C. N. Slobodchikoff
Veterinary Science and Medicine Collection
In many social sciurids, male territoriality confers significant mating advantages. We evaluated resident male paternity in Gunnison’s prairie dogs (Cynomys gunnisoni), a colonial ground-dwelling sciurid, where males and females cooperatively defend territories. Contrary to findings reported for other social sciurids, our results show that territorial resident males do not gain significant reproductive advantages. Resident males sired the majority of offspring from their respective territories only 10.5% of the time. A single non-resident male sired equal or greater number of offspring than any single resident male 71.2% of the time. While adult males were more likely to sire a greater number …
Gender-Specific Differences In Spatial Behavior Of The Flesh Fly, Sarcophaga Crassipalpis., Caleb Joseph Paquette
Gender-Specific Differences In Spatial Behavior Of The Flesh Fly, Sarcophaga Crassipalpis., Caleb Joseph Paquette
Electronic Theses and Dissertations
Territoriality in the flesh fly, Sarcophaga crassipalpis (Diptera: Sarcophagidae) was studied in the laboratory. In rectangular enclosures, male flies exhibited a lower tolerance (occupation of the same physical space) of same-sex conspecifics than did female flies. In circular arenas, male flies showed significantly higher levels of spatial separation among themselves (as determined from nearest neighbor analyses) than did females: males were distributed uniformly whereas females were nearly random. The male spatial behavior occurred during the photophase but not the scotophase of light-dark cycles, suggesting that visual cues are required for maintenance of inter-individual spacing. No significant differences in male spacing …
Urine-Marking And Ground-Scratching By Free-Ranging Arctic Wolves, Canis Lupus Arctos, In Summer, L. David Mech
Urine-Marking And Ground-Scratching By Free-Ranging Arctic Wolves, Canis Lupus Arctos, In Summer, L. David Mech
USGS Northern Prairie Wildlife Research Center
Urine-marking and ground-scratching were observed in an Arctic Wolf (Canis lupus) pack on Ellesmere Island, Nunavut, Canada, during 16 summers between 1986 and 2005. All previously known urination postures and ground-scratching by breeding males and females were seen, and incidence of marking and scratching was greatest when non-pack wolves were present. Observations of urine-marking of food remains supported the conclusion from a captive Wolf study that such marking signals lack of edible food.