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- Seabird (2)
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- Glaucous-winged gull; Eggshells; Protection Island (Wash.); Sea birds--Cannibalism (1)
- Glaucous-winged gull; Sea birds--Eggs; Sea birds--Behavior; Protection Island (Wash.) (1)
- Gulf of Alaska (1)
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Articles 1 - 11 of 11
Full-Text Articles in Animal Sciences
An Analysis Of Australian Shepherd Owners Preferences For Dog Food Purchases, Megan Cirkles
An Analysis Of Australian Shepherd Owners Preferences For Dog Food Purchases, Megan Cirkles
Honors Theses
No abstract provided.
Animal-Assisted Activities Survey At The University Of Nebraska-Lincoln: Assessing Student Opinions And Determining Possible Implementation Strategy, Emma Winters
Honors Theses
In most situations, animals are not allowed on the University of Nebraska-Lincoln (UNL) campus, including animals used for animal-assisted activities (AAA). Animal-assisted activities have been shown to provide numerous benefits to participants and there could be positive effects to offering AAA at UNL. In order to gauge the opinions of students regarding AAA and how AAA could best be implemented on the UNL campus, a survey was emailed to Animal Science majors and students enrolled in ASCI 271 and ASCI 321 at the University of Nebraska-Lincoln. A request to participate was also included in the weekly College of Agricultural Sciences …
Gene Isoforms Involved In Zebrafish Traumatic Stress Response, Joseph Fischer
Gene Isoforms Involved In Zebrafish Traumatic Stress Response, Joseph Fischer
Honors Theses
No abstract provided.
Comparison Of Equine Behavior To Parelli Horsenality, Rebecca Kirchhoff
Comparison Of Equine Behavior To Parelli Horsenality, Rebecca Kirchhoff
Honors Theses
No abstract provided.
Elucidation Of Zebrafish Gene Networks And Pathways Associated With Ptsd, Noor Faisal
Elucidation Of Zebrafish Gene Networks And Pathways Associated With Ptsd, Noor Faisal
Honors Theses
No abstract provided.
Testing The Reliability Of The Use Of The Draminski® For Estrus Detection In Heifers, Ashlyn Thomas
Testing The Reliability Of The Use Of The Draminski® For Estrus Detection In Heifers, Ashlyn Thomas
Honors Theses
No abstract provided.
A Note On The Onset Of Synchronous Egg Laying In A Seabird Behavior Model, Dorothea Gallos, Christiane Gallos
A Note On The Onset Of Synchronous Egg Laying In A Seabird Behavior Model, Dorothea Gallos, Christiane Gallos
Honors Theses
Protection Island, Washington hosts a large colony of Glaucous-winged gulls (Larus glaucescens). These birds are known to exhibit every-other-day egg-laying synchrony in dense areas of the colony in response to egg cannibalism, which is the main source of egg loss. Here we present an equilibrium analysis of a discrete-time animal behavior model for egg laying. We use Jury Conditions to find the stability criteria for the equilibrium as a function of the colony density and show that a 2-cycle bifurcation occurs when the equilibrium loses stability. The 2-cycle pattern in egg laying becomes increasingly synchronous as the colony density increases. …
Effects Of Eggshell Coloration On Egg Cannibalism Among Glaucous-Winged Gulls, Isabelle Hwang
Effects Of Eggshell Coloration On Egg Cannibalism Among Glaucous-Winged Gulls, Isabelle Hwang
Honors Theses
A common source of reproductive loss in gulls is egg cannibalism. At a large Glaucous-winged Gull (Larus glaucescens) colony on Protection Island, Washington, cannibalism accounts for 55% of egg loss. Because cannibalism is a form of predation and birds have a highly developed sense of vision, I hypothesized that visible light coloration of Glaucous-winged Gull eggs plays a role in determining whether they are cannibalized. I used logistic regression to test whether egg fate was related to egg brightness, specific coloration, specific spot coverage, coloration relative to the most common coloration, and spot coverage relative to the most common spot …
Efficacy Of Compound X (Bedoukian Research, Inc.) On Reducing Fecal Egg Count In Lambs, Mary M. France
Efficacy Of Compound X (Bedoukian Research, Inc.) On Reducing Fecal Egg Count In Lambs, Mary M. France
Honors Theses
No abstract provided.
Using Unmanned Aerial Vehicle Technology To Enhance Conservation Biology Research, Ann Briggs
Using Unmanned Aerial Vehicle Technology To Enhance Conservation Biology Research, Ann Briggs
Honors Theses
This study examined the most effective ways to utilize unmanned aerial vehicles (UAV) for wildlife conservation. More specifically, a UAV platform was created that can perform multiple data collection tasks by utilizing interchangeable modules. The prototype produced in this study has the capability to perform many tasks through the use of interchangeable modules. These tasks include, but are not limited to aerial surveys and collection of biological samples. This innovative technology will provide invaluable assistance to conservation efforts by reducing research and subject injury or death while maximizing efficiency. The modular design of the prototype was developed for retail to …
Role Of Nest Site Microclimate And Food Availability In Chick Development And Reproductive Success In Black-Legged Kittiwakes (Rissa Tridactyla), Lindsay Mae Lacey
Role Of Nest Site Microclimate And Food Availability In Chick Development And Reproductive Success In Black-Legged Kittiwakes (Rissa Tridactyla), Lindsay Mae Lacey
Honors Theses
Seabirds are marine top predators, and as such are often studied as bioindicators of climate shifts (Oswald and Arnold 2012). Though many studies have analyzed the effect of macroclimatic variation on marine prey species availability and thus seabirds, few have analyzed effects of microclimate - fine spatial patterns of climate (Mantua and Hare 2002; Hatch 2013; Kim and Monaghan 2005a). I tested the hypothesis that localized temperature and humidity at nest sites interact with food availability to alter black-legged kittiwake (Rissa tridactyla) nest site quality, chick body condition during growth and development, and reproductive parameters including Julian lay …