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Articles 1 - 30 of 118
Full-Text Articles in Behavior and Ethology
Using Spatial Methods To Analyse Anthropogenic Predation Risk And Movement Ecology Of White-Tailed Deer (Odocoileus Virginianus), Rhiannon D. Kirton
Using Spatial Methods To Analyse Anthropogenic Predation Risk And Movement Ecology Of White-Tailed Deer (Odocoileus Virginianus), Rhiannon D. Kirton
Electronic Thesis and Dissertation Repository
Hunting has been used as a central tool by wildlife managers to maintain populations of game species, however, we still lack a good understanding of exactly how hunting influences deer biology. Technological advances in GPS data over the last two decades now enable us to perform more detailed analysis on the effects of human hunters on wildlife populations. This research explores the spatial ecology of hunters and White-tailed deer in the Cross Timbers ecoregion of Oklahoma. Using new statistical methodologies to analyse simultaneous GPS tracking data on deer and hunters to study their spatial interactions. The results show how new …
Coyote Management In San Francisco, Matthew Greer
Coyote Management In San Francisco, Matthew Greer
Master's Projects and Capstones
As cities in North America grow, coyotes have become progressively more important species in urban ecosystems. Moreover, as coyotes increasingly use these urban spaces, human-coyote conflicts have become more common, creating a need for new management strategies. This paper will explore how the city of San Francisco could create a new coyote management plan for its highly visible coyote population. San Francisco has had a persistent coyote population since the early 2000s (Todd, 2018). Currently, the coyote population is close to 100 individuals and is still growing (J. Young, Presidio Trust, pers. comm.). To explore this topic a literature review …
Fear Of The Human "Super-Predator" In African Mammals, Nikita R. Frizzelle
Fear Of The Human "Super-Predator" In African Mammals, Nikita R. Frizzelle
Electronic Thesis and Dissertation Repository
Humans’ exploitive killing of virtually every mammal species globally may result in a perception of humans as feared, ultra-lethal predators. In Africa, mammals are central to the continent’s tourism industry; however, it is largely unknown whether African mammals fear the presence of tourists. Firstly, I aimed to review how the presence of humans on the landscape affects African mammal behaviour. Of 31 studies, most authors reported that humans alter mammal behaviour in a manner that may negatively impact survival. To test if a fear of humans can pervade communities, I simulated the presence of humans, hunting, lions, and birds using …
Pushing It To The Limit: Determining Asian Elephant (Elephas Maximus) Olfactory Sensitivity And Discrimination Through A Behavioral Choice Task, Matthew S. Rudolph
Pushing It To The Limit: Determining Asian Elephant (Elephas Maximus) Olfactory Sensitivity And Discrimination Through A Behavioral Choice Task, Matthew S. Rudolph
Theses and Dissertations
Elephants have shown remarkable olfactory capabilities. Their sense of smell impacts their foraging choices, behavior, and ultimately, survival. Being able to detect a target odor can allow elephants to locate specific resources, identify threats, and find receptive conspecifics. Previous studies have shown that elephants can consistently detect target odors, but have not identified the limits of this detection. Thus, to investigate the extent of elephants’ odor detection capabilities, we tested Asian elephants in a two-step odor discrimination task. First, we investigated whether elephants could detect odors at varying levels of dilution after a training procedure, and then whether they could …
Boxed In: Hinge Closing Performance Of Ornate Box Turtles (Terrapene Ornata), Gina L. Buelow
Boxed In: Hinge Closing Performance Of Ornate Box Turtles (Terrapene Ornata), Gina L. Buelow
MSU Graduate Theses
Turtles are perhaps best known for the bony shells that encase them, a unique morphological trait that provides protection against predators. Many taxa have even evolved the ability to enclose themselves using hinges that can be used to create a seal between the carapace and plastron. I measured the hinge closing force of Ornate Box Turtles (Terrapene ornata) to assess the performance of this unusual yet ecologically important trait. I sampled head-started turtles from Thomson Sand Prairie in the Upper Mississippi River National Wildlife and Fish Refuge and wild turtles collected in northern Oklahoma. To assess the effects of head-starting …
Cognitive Ecology Of Color Vision In Orchid Bees, Andreia Queiroz Santos A Figueiredo
Cognitive Ecology Of Color Vision In Orchid Bees, Andreia Queiroz Santos A Figueiredo
Dissertations
Animals interact with their environment and acquire information from it. Information can be processed by their sensory systems and influence behavior, often mediated through mechanisms of decision-making and learning. Animal pollinators acquire information from flowers and use this information to make decisions about the flowers they visit. My research aimed to understand the role of color vision in a tropical pollinator, the orchid bee Euglossa dilemma. Chapter 1 is a review exploring pollination through the lens of prepared learning. Prepared learning proposes that animals learn some associations better than others due to an evolved match with the environment. I …
The Evolutionary Origins Of Autism Associated Genes And Their Role In Great Ape Socio-Communicative Behavior, Azeeza Abdulrauf
The Evolutionary Origins Of Autism Associated Genes And Their Role In Great Ape Socio-Communicative Behavior, Azeeza Abdulrauf
Master of Science in Integrative Biology Theses
Autism Spectrum Disorder (ASD) is a set of neurological disorders characterized by reduced social interactions and deficits in verbal and nonverbal communication. Although there are no clear genetic markers for ASD, studies have found associations between gene single nucleotide polymorphisms (SNPs) and patients diagnosed with ASD. For this study, the focus is on OXTR, AVPR1A, and FOXP2. OXTR is reported to regulate empathy and stress reactivity while AVPR1A is reported to regulate stress management and territorial aggression, as well as social bonding and recognition. FOXP2 is one of the first genes to be associated with both speech and language recognition …
Hierarchy Establishment From Nonlinear Social Interactionsand Metabolic Costs: An Application To The Harpegnathos Saltator, Jordy Cevallos-Chavez, Carlos Bustamante Orellana, Yun Kang
Hierarchy Establishment From Nonlinear Social Interactionsand Metabolic Costs: An Application To The Harpegnathos Saltator, Jordy Cevallos-Chavez, Carlos Bustamante Orellana, Yun Kang
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Cetacean Acousticwelfare In Wild And Managed-Care Settings: Gaps And Opportunities, Paige E. Stevens, Heather Hill, Jason N. Bruck
Cetacean Acousticwelfare In Wild And Managed-Care Settings: Gaps And Opportunities, Paige E. Stevens, Heather Hill, Jason N. Bruck
Faculty Publications
Cetaceans are potentially at risk of poor welfare due to the animals’ natural reliance on sound and the persistent nature of anthropogenic noise, especially in the wild. Industrial, commercial, and recreational human activity has expanded across the seas, resulting in a propagation of sound with varying frequency characteristics. In many countries, current regulations are based on the potential to induce hearing loss; however, a more nuanced approach is needed when shaping regulations, due to other non-hearing loss effects including activation of the stress response, acoustic masking, frequency shifts, alterations in behavior, and decreased foraging. Cetaceans in managedcare settings share the …
Better Tired Than Lost: Turtle Ant Trail Networks Favor Coherence Over Short Edges, Arjun Chandrasekhar, James A. R. Marshall, Cortnea Austin, Saket Navlakha, Deborah M. Gordon
Better Tired Than Lost: Turtle Ant Trail Networks Favor Coherence Over Short Edges, Arjun Chandrasekhar, James A. R. Marshall, Cortnea Austin, Saket Navlakha, Deborah M. Gordon
Student Published Works
Creating a routing backbone is a fundamental problem in both biology and engineering. The routing backbone of the trail networks of arboreal turtle ants (Cephalotes goniodontus) connects many nests and food sources using trail pheromone deposited by ants as they walk. Unlike species that forage on the ground, the trail networks of arboreal ants are constrained by the vegetation. We examined what objectives the trail networks meet by comparing the observed ant trail networks with networks of random, hypothetical trail networks in the same surrounding vegetation and with trails optimized for four objectives: minimizing path length, minimizing average …
Importance Of Woodland Patches As Hibernacula For Gartersnakes In A Prairie River Floodplain Of Central Nebraska, Tony Bridger, Keith Geluso
Importance Of Woodland Patches As Hibernacula For Gartersnakes In A Prairie River Floodplain Of Central Nebraska, Tony Bridger, Keith Geluso
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Gartersnakes are common inhabitants along prairie rivers in the Great Plains, but little information is known about hibernacula among diverse floodplain habitats. We radio-tracked Common Gartersnakes (Thamnophis sirtalis) and Plains Gartersnakes (Thamnophis radix) to hibernacula on islands in a braided river system subject to frequent environmental changes along the Platte River in central Nebraska. We further examined capture rates of gartersnakes in floodplain woodland patches from June to November to examine seasonal use of this habitat. In early and mid-September, movements of snakes with transmitters were in grasslands. From late September to mid-October, the farthest movements …
Free-Ranging And Feral Cats, Alex Dutcher, Kyle Pias, Grant Sizemore, Stephen M. Vantassel
Free-Ranging And Feral Cats, Alex Dutcher, Kyle Pias, Grant Sizemore, Stephen M. Vantassel
Wildlife Damage Management Technical Series
Domestic cats (Felis catus) are a common household pet in the United States, with an estimated 25.4% of households owning cats (American Veterinary Medical Association 2018). While an increasing number of cat owners keep their pet cats exclusively indoors, a portion of society maintains that domestic cats are entitled to a free-ranging lifestyle and may even consider unowned domestic cats to be wildlife. Although wildlife managers recognize the beliefs of many concerned stakeholders, including advocates who use strong emotional appeals on behalf of cats, it remains that free-ranging and feral domestic cats are an invasive species spread by humans (Lowe …
Does Cortisol Respond To A Social Perturbation In Captive Bonobos?, Tiffany Ly
Does Cortisol Respond To A Social Perturbation In Captive Bonobos?, Tiffany Ly
Symposium of Student Scholars
All animals are influenced by their environment. For social species, this means that changes in group size or composition can have long-lasting effects on survival or reproduction. When these social species are placed in captivity and new individuals are introduced suddenly by zookeepers or researchers, these events can lead to stress by changing established dominance hierarchies. For example, these interactions can cause stress hormones—like cortisol in primates and humans—to be released in response to meeting unfamiliar individuals. We took advantage of an introduction event happening at a captive research and conservation facility to better understand how introducing a new female …
Individual Variation In Behavioral Plasticity In African Starlings, Jasmine Little
Individual Variation In Behavioral Plasticity In African Starlings, Jasmine Little
Symposium of Student Scholars
Individual variation in behavioral plasticity in African starlings
Authors: Jasmine Little1, Dustin Rubenstein2, Sarah Guindre-Parker1
1Kennesaw State University 2Columbia University
Behavioral plasticity allows individuals to respond appropriately to highly variable environmental conditions in order to increase their fitness under different types of environments. Cooperatively breeding superb starlings (Lamprotornis superbus) living in unpredictable Kenyan savannas experience tremendous variation in annual rainfall from year to year. Rainfall is critical for these birds because it shapes the availability of food (insects), but it remains unclear how the parental care behavior of individual starlings is …
The Effects Of Provisional Rate On Offspring Growth In European Starlings, Shelby Edge, Sarah Guindre-Parker
The Effects Of Provisional Rate On Offspring Growth In European Starlings, Shelby Edge, Sarah Guindre-Parker
Symposium of Student Scholars
Offspring rarely have a linear growth rate and many external factors may be to blame for this. They may be most sensitive to their rearing conditions when they grow most rapidly. Parenting and provisional habits are similarly inconsistent and may depend on various factors including the energetic state of the parent or the food availability in the surrounding environment. Though not previously linked before, the connection between parental provisioning efforts and growth and success rate of the offspring may be immense. This study focused on European Starlings (Sturnus vulgaris). The hypothesis tested was that rapid offspring growth may be connected …
Do Environmental Toxins Predict Violent Crimes?, Tyler Stahl
Do Environmental Toxins Predict Violent Crimes?, Tyler Stahl
Symposium of Student Scholars
Do chemical pollutants that persistent in the environment and bioaccumulate in the body affect human health and behavior? Could these Persistent, Bioaccumulative, and Toxic (PBT) chemicals play a role in the cause of violent crimes due to deterioration of mental and cognitive functions? In the past, Mercury, a PBT chemical, has been shown in salmon to be associated with aggression. Could similar aggression occur in humans exposed to mercury through a toxic spill? Two sources of data are utilized in this analysis. The Environmental Protection Agency’s (EPA) Annual Toxic Release Inventory publishes data on toxic releases into the environment and …
The Evolutionary Origins Of Autism Associated Genes And Their Role In Great Ape Socio-Communication, Azeeza Abdulrauf, Martin Hudson, Susan M.E. Smith, Jared P. Taglialatela
The Evolutionary Origins Of Autism Associated Genes And Their Role In Great Ape Socio-Communication, Azeeza Abdulrauf, Martin Hudson, Susan M.E. Smith, Jared P. Taglialatela
Symposium of Student Scholars
Single nucleotide polymorphisms (SNPs) play a major role in socio-communicative behavior. For this study, the focus is on autism associated OXTR, AVPR1A, and FOXP2 SNPs, and the role they play in great apes. Prior research on the OXTR, AVPR1A, and FOXP2 SNPs show that they affect behavior skills such as understanding and controlling emotion, understanding the emotions of others, and communications skills. Great apes, such as bonobos, chimpanzees, and gorillas are the model, since they are our closest relatives in the animal kingdom capable of understanding complex communication. Each gene has at least two SNPS that are investigated in the …
Does Hunting Affect The Behavior Of Wild Pigs?, Oliver Keuling, Giovanna Massei
Does Hunting Affect The Behavior Of Wild Pigs?, Oliver Keuling, Giovanna Massei
Human–Wildlife Interactions
Wild boar and feral swine (Sus scrofa) numbers are growing worldwide. In parallel, their severe ecological and economic impacts are also increasing and include vehicle collisions, damage to crops and amenities, reduction in plant and animal abundance and richness, and transmission of diseases, the latter causing billions of U.S. dollars in losses to the livestock industry each year. Recreational hunters are the main cause of mortality for this species, and hunting has traditionally been the main method to contain populations of wild pigs. Hunting might affect the behavior of the species, which potentially can lead to these animals …
Is Immediate Flexibility Present In A Vocal Mimic, The Gray Catbird (Dumetella Carolinensis), Across An Urban Gradient?, Shannon K. Eppert
Is Immediate Flexibility Present In A Vocal Mimic, The Gray Catbird (Dumetella Carolinensis), Across An Urban Gradient?, Shannon K. Eppert
Masters Theses, 2020-current
Increasing urbanization has increased anthropogenic noise levels near developed areas. Urban noise is high amplitude and low-frequency, and these frequencies can overlap with the signals animals use to communicate, including bird songs. Many urban birds sing higher minimum frequencies in urban areas, which avoids some masking by noise, but the mechanism behind this difference is not well understood. Immediate flexibility is the ability to alter song in real-time in the presence of sudden noise, allowing for avoidance of masking and better signal transmission. I investigated if male catbirds increased signal transmission in the presence of anthropogenic versus high-frequency noise playback …
Social And Ecological Correlates Of Avian Infection By Haemosporidian Blood Parasites, Ian R. Hoppe
Social And Ecological Correlates Of Avian Infection By Haemosporidian Blood Parasites, Ian R. Hoppe
School of Natural Resources: Dissertations, Theses, and Student Research
Haemosporidian parasites are a significant source of morbidity and mortality for birds. There is growing recognition of the negative consequences of haemosporidian infections for wild birds at individual and population levels. Avian haemosporidians are geographically widespread, have been detected from a phylogenetically diverse array of hosts, and have been the focus of extensive research due to their impacts on birds and their similarity to vector-borne diseases of humans. However, factors influencing haemosporidian transmission, especially transmission between species, are poorly understood. To better understand these influences, we compared prevalence and diversity of haemosporidian blood parasite infections among species in a behaviorally …
A Migratory Sparrow Has Personality In Winter That Is Independent Of Other Traits, Theadora A. Block, Rachel Star, Daizaburo Shizuka, Alexis S. Chaine, Bruce E. Lyon
A Migratory Sparrow Has Personality In Winter That Is Independent Of Other Traits, Theadora A. Block, Rachel Star, Daizaburo Shizuka, Alexis S. Chaine, Bruce E. Lyon
Papers in Behavior in Biological Sciences
Small birds in winter face trade-offs between predation risk and foraging, and alternate life-history strategies may arise from these trade-offs. Animal personality shows similarities with alternative life-history strategies, and using a life-history context to understand personality can provide valuable insights. Golden-crowned sparrows, Zonotrichia atricapilla, a small migratory bird, have a complex winter social system with high site-fidelity, long-term social associations between individuals and competition mediated by badges of status. We asked whether golden-crowned sparrows show personalities during winter, whether these personalities were consistent over 3 years and whether they correlated with social and morphological traits. We found that …
The Impacts Of Embryonic Arsenic Exposure Of Fundulus Heteroclitus, Torey Bowser
The Impacts Of Embryonic Arsenic Exposure Of Fundulus Heteroclitus, Torey Bowser
Electronic Theses and Dissertations
Arsenic is a toxic metalloid that exceeds safe drinking water standards in groundwater in many locations worldwide. Arsenic exposure in fish has been linked to destruction of gill tissues, impairment of growth, decreased muscle mass, memory impairment, increased aggression, and avoidance behaviors. We examined the behavior of mummichogs (Fundulus heteroclitus) following arsenic exposure during development in two studies. Embryos were collected from fish from three reference sites: Scorton Creek (SC), Massachusetts, Wells Harbor (WE), Maine, and Block Island (BLOC), Rhode Island and two contaminated sites: Callahan Mine (CM), Brooksville, Maine, and New Bedford Harbor (NBH), Massachusetts. Embryos were …
A Novel Method For Detecting Wild Boar Presence, Giovanna Massei, Dave P. Cowan, Julia Coats
A Novel Method For Detecting Wild Boar Presence, Giovanna Massei, Dave P. Cowan, Julia Coats
Human–Wildlife Interactions
Populations of wild boar and feral pigs (Sus scrofa) are increasing in numbers and distribution worldwide, in parallel with their significant environmental and economic impact. Reliable methods to detect the presence of this species are needed for monitoring its natural range expansion and its occurrence in areas where animals have been deliberately or accidentally introduced. The main aim of this study, carried out in English woodlands recently colonized by wild boar, was to assess the effectiveness of a birch wood tar-based compound, to detect the presence of this species in presence/absence surveys. A pilot trial in woodlands where …
Temporal Trends And Drivers Of Mountain Lion Depredation In California, Usa, Justin A. Dellinger, Daniel K. Macon, Jaime L. Rudd, Deana L. Clifford, Steven G. Torres
Temporal Trends And Drivers Of Mountain Lion Depredation In California, Usa, Justin A. Dellinger, Daniel K. Macon, Jaime L. Rudd, Deana L. Clifford, Steven G. Torres
Human–Wildlife Interactions
Increasing human populations and expanding development across the globe necessitate continual progress in understanding and mitigating human–wildlife conflict. California, USA has the largest human population and at least half of the state is suitable mountain lion (Puma concolor) habitat. The juxtaposition of high human abundance within and adjacent to mountain lion habitat make California relevant for understanding human–large carnivore conflict. We compiled 7,719 confirmed incidents of mountain lions depredating domestic animals over a 48-year period (1972–2019) to examine temporal trends in mountain lion depredations as well as factors influencing annual depredation rates at the county level. Linear regressions …
Enhancing Existing Isolated Underpasses With Fencing Reduces Wildlife Crashes And Connects Habitat, Bridget M. Donaldson, Kaitlyn E. M. Elliott
Enhancing Existing Isolated Underpasses With Fencing Reduces Wildlife Crashes And Connects Habitat, Bridget M. Donaldson, Kaitlyn E. M. Elliott
Human–Wildlife Interactions
The impact of wildlife–vehicle collisions on drivers and wildlife populations has been gaining attention in the United States. Given the established success of wildlife crossings with fencing in reducing wildlife crashes and connecting habitat, information is needed on cost-effective means of implementation for departments of transportation. When wildlife crossings are constructed, they are often built into new road projects as a series of 2 or more underpasses and/or overpass structures connected by exclusionary fencing. Given limited transportation budgets and the prevalence of maintenance activities more so than new construction in many states, enhancing existing underpasses on previously constructed roads has …
Spiders You May Encounter While Social Distancing: A Field Guide To Oregon, Daniel K. Hufnagel
Spiders You May Encounter While Social Distancing: A Field Guide To Oregon, Daniel K. Hufnagel
Anthós
This document is simply a short field guide on the many endearing spiders you have encountered or will potentially encounter while social distancing in Oregon. Included are journal entries for six different species of spider, with each log containing an illustration and a description of the physical appearance, behavior, and habitat of the arachnid listed. Also included is a basic diagram depicting the anatomy of the common spider.
Female Behavioral Strategies During Consortship In Tibetan Macaques (Macaca Thibetana), Qi-Xin Zhang, Lixing Sun, Dong-Po Xia, Jin-Hua Li
Female Behavioral Strategies During Consortship In Tibetan Macaques (Macaca Thibetana), Qi-Xin Zhang, Lixing Sun, Dong-Po Xia, Jin-Hua Li
Biology Faculty Scholarship
Consortship has been defined as a temporary association between an adult male and an estrous/receptive female. It has been considered as male mating strategies to improve male mating success and potential reproductive success. However, the female roles have been more or less neglected, and thus, less is known about female behavioral strategies during the consortship periods. In this study, during the two consecutive mating seasons, we collected behavioral data of free-ranging Tibetan macaques (Macaca thibetana) habituated in Mt. Huangshan, China, to investigate female behaviors when she was consorted by an adult male. The results showed that (a) females …
Food Caching Decisions In Canada Jays (Perisoreus Canadensis), Robert J. Martin
Food Caching Decisions In Canada Jays (Perisoreus Canadensis), Robert J. Martin
Electronic Thesis and Dissertation Repository
Food scarce periods pose serious challenges for birds, particularly when those periods coincide with demanding life history stages such as overwintering. For resident birds in the Northern hemisphere, resource scarcity typically occurs simultaneously with winter conditions. In order to combat these compounded stressors, some species cache food to ensure a reliable supply of resources. Food caching is the storing of food items for subsequent retrieval and consumption after some delay. Canada Jays (Perisoreus canadensis) are year-round residents of the North American boreal forest and some high elevation areas in the United States, and cache food to combat resource …
A Dynamic Landscape Of Fear: Human Impacts On Carnivore Communities, Tru Hubbard
A Dynamic Landscape Of Fear: Human Impacts On Carnivore Communities, Tru Hubbard
All NMU Master's Theses
Mammalian carnivores are elusive, enigmatic species that often play keystone roles in ecosystems through direct (i.e., predation) and indirect (i.e., perceived predation risk) effects. Worldwide many carnivore species are experiencing rapid human-mediated population declines due to landscape change and habitat disturbance. For researchers, carnivores present unique challenges due to their large home ranges, low population densities, sensitivity to human disturbance, and direct persecution. Further, growing evidence shows that human activity can impact carnivore behavior and community structure by altering predator-prey interactions, shifting diel activity patterns, and altering wildlife movement leading to increased sightings, nuisance reports, and harvests. To investigate how …
James Davidson Fawcett (1933–2020): Imbibing With The Kiwi., Louis A. Somma
James Davidson Fawcett (1933–2020): Imbibing With The Kiwi., Louis A. Somma
Papers in Herpetology
An obituary and summary of the life of James D. Fawcett (1933-2020), herpetologist and instructor and professor of Biology at University of Nebraska at Omaha 1972-2015. Includes bibliography of his works, list of master's theses chaired, and recollections of former students.