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Articles 301 - 330 of 451
Full-Text Articles in Animal Sciences
Cost-Benefit Analysis Of Managed Shotgun Hunts For Suburban White-Tailed Deer, Ryan D. Hubbard, Clayton K. Nielsen
Cost-Benefit Analysis Of Managed Shotgun Hunts For Suburban White-Tailed Deer, Ryan D. Hubbard, Clayton K. Nielsen
Human–Wildlife Interactions
Deer managers often utilize managed hunts to curtail burgeoning white-tailed deer (Odocoileus virginianus) populations in suburban areas. Although several studies have used population modeling to focus management, these efforts generally provide only harvest numbers, without considering the spatial placement of hunters on the landscape. Further, few studies have modeled management effort as deer density changes during the hunt. We modeled 2 types of managed shotgun hunts, a replacement hunt, where the stand of each successful hunter would be filled the following day, thus, ensuring the same number of hunters would be present each day of the hunt, and …
Commentary Wildlife Habituation: Advances In Understanding And Management Application, Valerius Geist
Commentary Wildlife Habituation: Advances In Understanding And Management Application, Valerius Geist
Human–Wildlife Interactions
No abstract provided.
Survival Analysis And Computer Simulations Of Lethal And Contraceptive Management Strategies For Urban Deer, Marrett D. Grund
Survival Analysis And Computer Simulations Of Lethal And Contraceptive Management Strategies For Urban Deer, Marrett D. Grund
Human–Wildlife Interactions
I monitored survival of 34 female white-tailed deer (Odocoileus virginianus) in Bloomington, Minnesota, from October 1996 to December 1999. Twenty deer died: nineteen were killed by vehicles, and one was killed in a deer-removal program conducted by an adjacent suburb. Summer survival was high and varied little over the 3 years of study (range = 0.93 to 0.95). Fall survival ranged from 0.84 to 1.00, and winter survival was generally high during the 3 years of study, except during a severe winter (range = 0.72 to 0.95). I calculated population growth rates (λ) from Leslie matrix projections, using …
Preference Of White-Tailed Deer For Corn Hybrids And Agricultural Husbandry Practices During The Growing Season, Joshua A. Delger, Kevin L. Monteith, Lowell E. Schmitz, Jonathan A. Jenks
Preference Of White-Tailed Deer For Corn Hybrids And Agricultural Husbandry Practices During The Growing Season, Joshua A. Delger, Kevin L. Monteith, Lowell E. Schmitz, Jonathan A. Jenks
Human–Wildlife Interactions
Damage to field corn (Zea mays) by white-tailed deer (Odocoileus virginianus) can be substantial, resulting in millions of dollars lost annually. Numerous methods exist to minimize deer depredation, but all have met with varying degrees of success. Currently, little information is available on preference of white-tailed deer for corn hybrids during the growing season and how that preference might affect depredation patterns. We used adult female white-tailed deer in captivity to study the effect of herbicide treatments on deer-use (treatment versus no treatment) of corn in 2005 and to document preference among specific corn hybrids in …
Feed Depredation By European Starlings In A Kansas Feedlot, Brandon E. Depenbusch, James S. Drouillard, Charles D. Lee
Feed Depredation By European Starlings In A Kansas Feedlot, Brandon E. Depenbusch, James S. Drouillard, Charles D. Lee
Human–Wildlife Interactions
Confinement cattle-feeding operations have been associated with large populations of starlings (Sturnus vulgaris) during the winter months. Starlings can eat nearly 1 kg each of feed per month (Besser et al. 1968). In the first of our 2 studies, we evaluated feed selection and feed depredation by starlings using 5 concentrate-based cattle finishing diets. Four diets evaluated were in traditional meal-type form, and 1 diet was an extruded pellet. We placed rations into a section of the feed trough that we made accessible to starlings but not to cattle. Of the original 13.6 kg of steam-flaked corn and …
Good Fences Make Good Neighbors: Implementation Of Electric Fencing For Establishing Effective Livestock-Protection Dogs, Thomas M. Gehring, Kurt C. Vercauteren, Anna C. Cellar
Good Fences Make Good Neighbors: Implementation Of Electric Fencing For Establishing Effective Livestock-Protection Dogs, Thomas M. Gehring, Kurt C. Vercauteren, Anna C. Cellar
Human–Wildlife Interactions
To be effective, livestock protection dogs (LPDs) must be carefully integrated with the livestock they will be protecting. Others have developed guidelines to assist producers in this training and assimilation process. In many areas fencing is necessary; however, guidelines for containing LPDs and their livestock behind electric fencing are lacking. We present results from larger projects involving LPDs where we encountered issues with fencing and preventing LPDs from roaming from their owner’s property. We found that ranging and escaping from pastures was exhibited by LPDs that were not properly introduced and trained to electric fencing at an early age. LPDs …
Rock Pigeon Use Of Livestock Facilities In Northern Colorado: Implications For Improving Farm Bio-Security, James C. Carlson, Larry Clark, Michael F. Antolin, Mo D. Salman
Rock Pigeon Use Of Livestock Facilities In Northern Colorado: Implications For Improving Farm Bio-Security, James C. Carlson, Larry Clark, Michael F. Antolin, Mo D. Salman
Human–Wildlife Interactions
Rock pigeons (Columba livia) have been implicated in the spread of pathogens within commercial livestock facilities. Currently, there is no data characterizing pigeon habitat use and movement patterns within and among commercial livestock facilities. To better understand the capacity for pigeons to spread pathogens, we used radio-telemetry techniques to estimate the home-range, travel distance, activity, and habitat use of pigeons roosting on and off dairies and feedlots in western Weld County, Colorado. Our observations suggest that pigeons roosting on (resident) and off (nonresident) livestock facilities use habitat differently. Nonresident pigeons used larger home-range areas than did resident pigeons. …
Factors Governing Risk Of Cougar Attacks On Humans, David Mattson, Kenneth Logan, Linda Sweanor
Factors Governing Risk Of Cougar Attacks On Humans, David Mattson, Kenneth Logan, Linda Sweanor
Human–Wildlife Interactions
Since the 1980s wildlife managers in the United States and Canada have expressed increasing concern about the physical threat posed by cougars (Puma concolor) to humans. We developed a conceptual framework and analyzed 386 human– cougar encounters (29 fatal attacks, 171 instances of nonfatal contact, and 186 close-threatening encounters) to provide information relevant to public safety. We conceived of human injury and death as the outcome of 4 transitions affected by different suites of factors: (1) a human encountering a cougar: (2) given an encounter, odds that the cougar would be aggressive; (3) given aggression, odds that the …
In The News, Joe N. Caudell
Aggressive Body Language Of Bears And Wildlife Viewing: A Response To Geist (2011), Stephen F. Stringham
Aggressive Body Language Of Bears And Wildlife Viewing: A Response To Geist (2011), Stephen F. Stringham
Human–Wildlife Interactions
No abstract provided.
In The News, Joe N. Caudell
The Soap Box Wild Horses And Blm Management Issues: What To Do With 30,000 Symbols Of The American West, James T. Smith
The Soap Box Wild Horses And Blm Management Issues: What To Do With 30,000 Symbols Of The American West, James T. Smith
Human–Wildlife Interactions
No abstract provided.
Relative Habitat- And Browse-Use Of Native Desert Mule Deer And Exotic Oryx In The Greater San Andres Mountains, New Mexico, Brock D. Hoenes, Louis C. Bender
Relative Habitat- And Browse-Use Of Native Desert Mule Deer And Exotic Oryx In The Greater San Andres Mountains, New Mexico, Brock D. Hoenes, Louis C. Bender
Human–Wildlife Interactions
Introduced oryx (Oryx gazella gazella) have expanded into the San Andres Mountains of south-central New Mexico, but little is known of concurrent habitat used by oryx and desert mule deer (Odocoileus hemionus crooki); the latter in New Mexico is a species of special concern that has declined significantly since the introduction of oryx. We used fecal-pellet and browse surveys in combination with presence modeling to identify differences in relative use of habitat types, distribution, and browsing of highly palatable, highly preferred (hereafter, key) plant species during 2004 to 2006 to assess the potential for direct competition …
Estimating Relative Distribution Of Raccoons, Opossums, Skunks, And Foxes Using Animal Control Data, Christine Klinkowski-Clark, Michael J. Kutilek, John O. Matson, Paula Messina, Kevin Earley, Shannon M. Bros-Seemann
Estimating Relative Distribution Of Raccoons, Opossums, Skunks, And Foxes Using Animal Control Data, Christine Klinkowski-Clark, Michael J. Kutilek, John O. Matson, Paula Messina, Kevin Earley, Shannon M. Bros-Seemann
Human–Wildlife Interactions
We used indices of animal control reports per capita and areas of land covers to assess the relative habitat-use of raccoons (Procyon lotor), opossums (Didelphis virginiana), skunks (Spilogale putorius and Mephitis mephitis), and foxes (Vulpes vulpes and Urocyon cinereoargenteus). We used confirmed (hereafter, verified) calls made to Brevard Animal Services, Florida, and assessed potential human demographic influences associated with unconfirmed (hereafter, unverified) reports where it was uncertain whether or not an animal was present. To estimate habitat use, we performed quadrat sampling using a geographic information system (GIS) and obtained areas of …
Landowner Attitudes Toward Elk Management In The Pine Ridge Region Of North-Western Nebraska, R. Daniel Crank, Scott E. Hygnstrom, Kit M. Hams
Landowner Attitudes Toward Elk Management In The Pine Ridge Region Of North-Western Nebraska, R. Daniel Crank, Scott E. Hygnstrom, Kit M. Hams
Human–Wildlife Interactions
Little is known about attitudes of landowners toward elk (Cervus elaphus) on privately-owned land. We mailed questionnaires to agricultural landowners in the Pine Ridge region of northwestern Nebraska in both 1995 and 1997 to determine attitudes toward elk populations and management of elk. Fifty-six percent (n = 214) of respondents in 1995 and 57% (n = 461) in 1997 were in favor of free-ranging elk. Motivation for those in favor of elk was utilitarian (opportunity to view and hunt elk), ecological (return of a native species), and economic (benefits from increased tourism and leased land for elk hunting). …
Effects Of Aquaculture On Migration And Movement Patterns Of Double-Crested Cormorants, D. Tommy King, Bradley F. Blackwell, Brian S. Dorr, Jerrold L. Belant
Effects Of Aquaculture On Migration And Movement Patterns Of Double-Crested Cormorants, D. Tommy King, Bradley F. Blackwell, Brian S. Dorr, Jerrold L. Belant
Human–Wildlife Interactions
We analyzed 10,620 recovery records for double-crested cormorants (Phalacrocorax auritus) banded as nestlings from 1923 to 2006 to determine the population’s age structure, migration routes, dispersal patterns, and the possible influence of the expansion of the aquaculture industry in the southeastern United States on these population characteristics. Ninety-nine percent of the birds were banded during June to August, and 78% were banded as pre-fledged birds. Cormorants banded in the interior region of the United States comprised 91% of all birds banded from 1955 to 2006; these birds wintered primarily in the Lower Mississippi Valley and the northern Gulf …
Testing Fladry As A Nonlethal Management Tool For Wolves And Coyotes In Michigan, Sarah J. Davidson-Nelson, Thomas M. Gehring
Testing Fladry As A Nonlethal Management Tool For Wolves And Coyotes In Michigan, Sarah J. Davidson-Nelson, Thomas M. Gehring
Human–Wildlife Interactions
Several forms of nonlethal management exist, but fi eld testing is problematic, and few such techniques have been tested on free-ranging wolves (Canis lupus) or other predators. We tested fladry in the eastern Upper Peninsula of Michigan during the summers of 2004 and 2005 on treatment farms and control farms. Wolf visitation inside pastures, compared to those outside pastures, was less on fladry-protected farms (U = 45, n = 7, P = 0.004); whereas, we found no difference in wolf visitation inside and outside of pastures on control farms (U = 30, n = 7, P …
Habitat Correlates Of Jaguar Kill-Sites Of Cattle In Northeastern Sonora, Mexico, Octavio C. Rosas-Rosas, Louis C. Bender, Raul Valdez
Habitat Correlates Of Jaguar Kill-Sites Of Cattle In Northeastern Sonora, Mexico, Octavio C. Rosas-Rosas, Louis C. Bender, Raul Valdez
Human–Wildlife Interactions
Predation on cattle by the endangered jaguar (Panthera onca) can be a serious ecological and economic conflict. We investigated habitat characteristics of kill sites of cattle in Sonora, Mexico, from 1999 to 2004 to see whether habitat management or cattle distribution could be used as effective nonlethal methods to limit predation. Kill-sites were positively associated with oak, semitropical thornscrub, and xeric thornscrub vegetation types, whereas they were negatively associated with upland mesquite. Sites of cattle kills were also positively associated with proximity to permanent water sources and roads. A model including these relationships fi t kill locations well …
Commentary Euthanasia Methods In Field Settings For Wildlife Damage Management, Timothy J. Julien, Stephen M. Vantassel, Scott R. Groepper, Scott E. Hygnstrom
Commentary Euthanasia Methods In Field Settings For Wildlife Damage Management, Timothy J. Julien, Stephen M. Vantassel, Scott R. Groepper, Scott E. Hygnstrom
Human–Wildlife Interactions
No abstract provided.
Movements, Habitat Selection, Associations, And Survival Of Giant Canada Goose Broods In Central Tennessee, Eric M. Dunton, Daniel L. Combs
Movements, Habitat Selection, Associations, And Survival Of Giant Canada Goose Broods In Central Tennessee, Eric M. Dunton, Daniel L. Combs
Human–Wildlife Interactions
The brood-rearing period in giant Canada geese (Branta canadensis maxima) is one of the least-studied areas of goose ecology. We monitored 32 broods in Putnam County, Tennessee, from the time of hatching through fledging (i.e., when the goslings gained the ability to fly) and from fledging until broods left the brood-rearing areas during the spring and summer of 2003. We conducted a fixed-kernel, home-range analysis for each brood using the Animal Movement Extension in ArcView® 3.3 GIS (ESRI, Redlands, Calif.) software and calculated 95% and 50% utilization distributions (UD) for each brood. We classified 25 broods as sedentary …
Nest-Site Selection And Nesting Ecology Of Giant Canada Geese In Central Tennessee, Jason S. Carbaugh, Daniel L. Combs, Eric M. Dunton
Nest-Site Selection And Nesting Ecology Of Giant Canada Geese In Central Tennessee, Jason S. Carbaugh, Daniel L. Combs, Eric M. Dunton
Human–Wildlife Interactions
Little information is available on giant Canada goose (Branta canadensis maxima) nest-site selection on isolated nesting ponds. We monitored 46 island and 72 shoreline nests in the Upper Cumberland (UC) region of central Tennessee during 2002 and 2003. We measured 6 habitat variables at nesting ponds and randomly-selected non-nesting ponds. We used logistic regression to determine which habitat variables were important in nest-site selection. Presence of an island was the most important variable, but it was excluded from the final analysis because of quasi-separation (i.e., geese nested on all known islands in the study area). Geese that nested …
Late Summer Movements By Giant Canada Geese In Relation To A September Hunting Season, Charles D. Dieter, Bobby J. Anderson, Jeffrey S. Gleason, Paul W. Mammenga, Spencer Vaa
Late Summer Movements By Giant Canada Geese In Relation To A September Hunting Season, Charles D. Dieter, Bobby J. Anderson, Jeffrey S. Gleason, Paul W. Mammenga, Spencer Vaa
Human–Wildlife Interactions
The population of giant Canada geese (Branta canadensis maxima) breeding in eastern South Dakota has increased dramatically since reintroduction efforts began in the 1960s. May breeding population levels of giant Canada geese exceeded population management goals set by the South Dakota Department of Game, Fish and Parks (SDGFP) by the mid-1990s, and the population has continued to increase into the 2000s. This population increase was accompanied by an increase in goose-related conflicts such as crop depredation. In 1996, a September hunting season was implemented in select counties in eastern South Dakota in an effort to reduce the giant …
Improved Methods For Deterring Cliff Swallow Nesting On Highway Structures, Michael Delwiche, Robert W. Coates, W. Paul Gorenzel, Terrell P. Salmon
Improved Methods For Deterring Cliff Swallow Nesting On Highway Structures, Michael Delwiche, Robert W. Coates, W. Paul Gorenzel, Terrell P. Salmon
Human–Wildlife Interactions
Cliff swallows (Petrochelidon pyrrhonota) are migratory birds that frequently nest on highway structures, such as bridges. Because cliff swallows are protected by the Migratory Bird Treaty Act of 1918, nesting control methods must not harm cliff swallows or disturb active nests. This can cause delays for maintenance divisions of state departments of transportation, resulting in additional cost. In a multiyear project, we evaluated the effects of bioacoustic deterrents and bridge surface modifications on nesting behavior of cliff swallows. We used cliff swallow alarm and distress calls as bioacoustic deterrents (hereafter, broadcast calls [BC]) because they previously had been …
Effects Of Waterfowl Hunting On Raccoon Movements, Shandra Nicole Frey, Michael R. Conover
Effects Of Waterfowl Hunting On Raccoon Movements, Shandra Nicole Frey, Michael R. Conover
Human–Wildlife Interactions
Nontarget wildlife may react to hunters with avoidance, ambivalence, or attraction, depending upon the frequency of contact and the consequences of past contacts. We studied raccoons (Procyon lotor) located within the Bear River Migratory Bird Refuge, Utah, before and during waterfowl hunting seasons to assess changes in the size of their distributions, locations, and travel distances. Raccoon distribution size did not change with the onset of hunting. Once hunting began, raccoons were located more frequently in areas with lower densities of hunters and less frequently in areas with higher densities of hunters. Raccoons also responded to the presence …
Evaluation Of Damage By Vertebrate Pests In California Vineyards And Control Of Wild Turkeys By Bioacoustics, Robert W. Coates, Michael J. Delwiche, W. Paul Gorenzel, Terrell P. Salmon
Evaluation Of Damage By Vertebrate Pests In California Vineyards And Control Of Wild Turkeys By Bioacoustics, Robert W. Coates, Michael J. Delwiche, W. Paul Gorenzel, Terrell P. Salmon
Human–Wildlife Interactions
Complaints of agricultural damage by wild turkeys (Meleagris gallopavo), particularly from wine grape growers, have increased in California. We assessed damage by vertebrate pests in vineyards and tested a bioacoustic-aversion technique for turkeys as an alternative to other control techniques (e.g., reflective tape, trapping, bird netting). We selected 12 vineyards in the Napa Valley and Sierra Foothills American Viticultural Areas of California. We conducted damage surveys to assess percentages of missing or damaged grapes (i.e., grapes that had been stripped, pecked, and plucked) for every grape cluster on 20 randomly-selected vines before harvest in 2007 and on 40 …
Visitation To Cottonseed Storage Sites By Feral Swine And Evidence Of Gossypol Exposure, Tyler A. Campbell, Sarah L. Bullock, David B. Long, David G. Hewitt, Michael K. Dowd
Visitation To Cottonseed Storage Sites By Feral Swine And Evidence Of Gossypol Exposure, Tyler A. Campbell, Sarah L. Bullock, David B. Long, David G. Hewitt, Michael K. Dowd
Human–Wildlife Interactions
No abstract provided.
Soap Box Immunocontraception To Control Rabies In Dog Populations, Giovanna Massei, Lowell A. Miller, Gary J. Killian
Soap Box Immunocontraception To Control Rabies In Dog Populations, Giovanna Massei, Lowell A. Miller, Gary J. Killian
Human–Wildlife Interactions
No abstract provided.
Evaluation Of Rhodamine B As A Biomarker For Raccoons, Tricia L. Fry, Todd Atwood, Mike R. Dunbar
Evaluation Of Rhodamine B As A Biomarker For Raccoons, Tricia L. Fry, Todd Atwood, Mike R. Dunbar
Human–Wildlife Interactions
The USDA/APHIS/Wildlife Services (WS) oral rabies vaccination program uses tetracycline, a broad-spectrum antibiotic and relatively reliable biomarker, to quantify vaccinebait uptake by raccoons (Procyon lotor). However, obtaining samples (e.g., bone or teeth) to assess tetracycline uptake is highly invasive, and sample preparation can be expensive. By contrast, rhodamine B, a commercially available dye, is absorbed systemically in growing tissues, including hair and whiskers, and can be observed under ultraviolet (UV) light as fluorescent orange bands. Our goal was to evaluate whether rhodamine B can be used as a biomarker to monitor bait uptake by raccoons. We began by …
Effectiveness Of Deer Repellents In Connecticut, Jeffrey S. Ward, Scott C. Williams
Effectiveness Of Deer Repellents In Connecticut, Jeffrey S. Ward, Scott C. Williams
Human–Wildlife Interactions
Browsing by overabundant herds of white-tailed deer (Odocoileus virginianus) can cause significant economic damage to agricultural crops and landscape plantings. In many instances, for both commercial growers and homeowners, commercially available repellents may be an appealing alternative to physical exclusion and lethal control of animals. We tested 10 different commercially-available repellents (Chew-Not®, Deer Off®, Deer-Away® Big Game Repellent, Plantskydd®, Bobbex®, Liquid Fence®, Deer Solution®, Hinder®, Repellex® systemic tablets, and coyote urine) on yews (Taxus cuspidata Densiformis) at 2 different locations in Connecticut. The study included both positive (fence) and negative (no treatment) controls. We planted yews in …
Driver Knowledge, Beliefs, And Attitudes About Deer–Vehicle Collisions In Southern Michigan, Alix Marcoux, Shawn J. Riley
Driver Knowledge, Beliefs, And Attitudes About Deer–Vehicle Collisions In Southern Michigan, Alix Marcoux, Shawn J. Riley
Human–Wildlife Interactions
Deer–vehicle collisions (DVCs) are one of the most frequent and costly human– wildlife conflict throughout the range of white-tailed deer (Odocoileus virginianus). We conducted a self-administered, mail-back survey of Michigan drivers to determine: (1) driver attitudes and knowledge about DVCs; (2) reporting rates of DVCs; and (3) effects of being in a DVC on attitudes toward desired deer population levels. From a sample of 3,600 randomly selected licensed drivers >18 years of age in southeast Michigan, we obtained 1,653 completed questionnaires (48% response rate). Although 18% of respondents reported experiencing >1 DVC within 5 years of the survey …