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Articles 1141 - 1170 of 1812
Full-Text Articles in Animal Sciences
In The News, Joe N. Caudell
Appreciating Feral Hogs: Extension Education For Diverse Stakeholders In Texas, Dale Rollins, Billy J. Higginbotham, Kenneth A. Cearley, R. Neal Wilkins
Appreciating Feral Hogs: Extension Education For Diverse Stakeholders In Texas, Dale Rollins, Billy J. Higginbotham, Kenneth A. Cearley, R. Neal Wilkins
Human–Wildlife Interactions
Texas harbors the largest population of feral hogs (Sus scrofa) in the United States, with populations estimated at >2 million. Depending on one’s perspective, feral hogs are either a pariah (from the farmer’s standpoint) or a popular sporting animal (from a hunter’s standpoint). As feral hogs increase in range and density, conflicts among stakeholders are sure to increase. Texas Cooperative Extension (TCE) initiated educational programs in 1991 to address concerns regarding the presence and management of feral hogs. Since that time, we have developed various workshops, symposia, and educational materials (e.g., print, videotape, and website) as means of …
Range Size, Habitat Use, And Dial Activity Of Feral Hogs On Reclaimed Surface-Mined Lands In East Texas, Robert C. Mersinger, Nova J. Silvy
Range Size, Habitat Use, And Dial Activity Of Feral Hogs On Reclaimed Surface-Mined Lands In East Texas, Robert C. Mersinger, Nova J. Silvy
Human–Wildlife Interactions
During the last decade, surface lignite mines in eastern Texas have experienced damage by feral hogs (Sus scrofa) to reclaimed areas. Specifically, feral hogs have caused damage to plants used in reclamation. In addition to vegetative losses, erosion control problems and water quality impacts have been noted. Big Brown Lignite Mine in Freestone County, Texas, had tried to control feral hogs through year-long trapping, which proved expensive. We hypothesized that hogs were using reclaimed areas only at night and seasonally. If so, knowledge of travel lanes into the mine and seasonal use would help concentrate trapping efforts and …
Influence Of Habitat Patch Characteristics On The Success Of Upland Duck Nests, Jaime E. Jiménez, Michael R. Conover, Raymond D. Dueser, Terry A. Messmer
Influence Of Habitat Patch Characteristics On The Success Of Upland Duck Nests, Jaime E. Jiménez, Michael R. Conover, Raymond D. Dueser, Terry A. Messmer
Human–Wildlife Interactions
When there is a rich guild of nest predators that use different modalities and techniques to locate hidden nests, we hypothesized that no habitat patch characteristic will consistently predict nest success, because if such a characteristic existed then predators would develop a search image based on it and use that characteristic to increase their hunting efficiency for nests. We tested this prediction in the Prairie Pothole region of North Dakota by characterizing the features of 16 habitat patches that contained >1,800 dabbling duck nests. Nest success was monitored during both the early and late nesting season over 2 years. Nest …
Intrafield Patterns Of Wildlife Damage To Corn And Soybeans In Northern Indiana, Travis L. Devault, James C. Beasley, Lee A. Humberg, Brian J. Macgowan, Mónica I. Retamosa, Olin E. Rhodes Jr.
Intrafield Patterns Of Wildlife Damage To Corn And Soybeans In Northern Indiana, Travis L. Devault, James C. Beasley, Lee A. Humberg, Brian J. Macgowan, Mónica I. Retamosa, Olin E. Rhodes Jr.
Human–Wildlife Interactions
Management programs aimed at reducing wildlife damage to row crops rely on information concerning the spatial nature of wildlife damage at local and landscape scales. In this study we explored spatial patterns of wildlife damage within individual corn and soybean fields by describing relationships between specific locations where wildlife damage was recorded and distances from such locations to various habitat types that presumably influenced animal abundance and movements in our study area. Using stratified random sampling, we conducted depredation surveys of 100 corn fields and 60 soybean fields from May through October both in 2003 and 2004 and recorded the …
From The Field An Extraordinary Patch Of Feral Hog Damage In Florida Before And After Initiating Hog Removal, Richard M. Engeman, John Woolard, Henry T. Smith, Jean Bourassa, Bernice U. Constantin, Daniel Griffin
From The Field An Extraordinary Patch Of Feral Hog Damage In Florida Before And After Initiating Hog Removal, Richard M. Engeman, John Woolard, Henry T. Smith, Jean Bourassa, Bernice U. Constantin, Daniel Griffin
Human–Wildlife Interactions
No abstract provided.
Book Review The Beast In The Garden: A Modern Parable Of Man And Nature, Nicole Mccoy
Book Review The Beast In The Garden: A Modern Parable Of Man And Nature, Nicole Mccoy
Human–Wildlife Interactions
No abstract provided.
Hazing Of Canada Geese Is Unlikely To Reduce Nuisance Populations In Urban And Suburban Communities, Robin A. Holevinski, Paul D. Curtis, Richard A. Malecki
Hazing Of Canada Geese Is Unlikely To Reduce Nuisance Populations In Urban And Suburban Communities, Robin A. Holevinski, Paul D. Curtis, Richard A. Malecki
Human–Wildlife Interactions
Growing populations of resident Canada geese (Branta canadensis) have caused increased nuisance problems in urban and suburban communities. Hazing, or persistent harassment, is often recommended as a nonlethal management strategy to alleviate these problems. Does hazing simply cause a local redistribution of birds, or can it solve nuisance problems by pushing geese to rural areas where hunting mortality could reduce the population? To answer this question, we marked 368 adult and 400 juvenile geese with leg bands in 1 urban and 1 suburban community in western New York State during June 2002 and 2003. This sample included 30 …
Columns The Changing Face Of Wildlife Damage Management, William H. Clay
Columns The Changing Face Of Wildlife Damage Management, William H. Clay
Human–Wildlife Interactions
No abstract provided.
Foraging Preferences Of Captive Canada Geese Related To Turfgrass Mixtures, Brian E. Washburn, Scott C. Barras, Thomas W. Seamans
Foraging Preferences Of Captive Canada Geese Related To Turfgrass Mixtures, Brian E. Washburn, Scott C. Barras, Thomas W. Seamans
Human–Wildlife Interactions
Overabundant populations of Canada geese (Branta canadensis) cause economic and safety concerns associated with collisions with civil and military aircraft. Habitat management techniques that reduce the use of airfield habitats by geese might reduce these concerns. The objective of this study was to determine if captive Canada geese exhibited a foraging preference between a vegetation mixture consisting mostly of perennial ryegrass (Lolium perenne) and white clover (Trifolium repens) versus an endophyte-infected tall fescue- (Festuca arundinacea) based vegetation mixture. We established 6 paired plots of perennial ryegrass-dominated and tall fescue-dominated mixtures at NASA …
Columns The Director's Desk, Bruce D. Leopold
Columns The Director's Desk, Bruce D. Leopold
Human–Wildlife Interactions
No abstract provided.
The Soap Box Expanding Bear Populations Bring New Challenges To State Wildlife Agencies, Robert Southwick
The Soap Box Expanding Bear Populations Bring New Challenges To State Wildlife Agencies, Robert Southwick
Human–Wildlife Interactions
No abstract provided.
The Soap Box Are Coyotes Right- Or Left-Handed, And Who Cares?, Michael J. Bodenchuk
The Soap Box Are Coyotes Right- Or Left-Handed, And Who Cares?, Michael J. Bodenchuk
Human–Wildlife Interactions
No abstract provided.
Successful Use Of Neck Snares To Live-Capture Red Foxes, S. Nicole Frey, Michael R. Conover, Gary Cook
Successful Use Of Neck Snares To Live-Capture Red Foxes, S. Nicole Frey, Michael R. Conover, Gary Cook
Human–Wildlife Interactions
Box traps and foot-hold snares are common methods to live-capture study animals. However, these methods are frequently ineffective due to factors such as weather constraints, food availability, and target animal behavior. During a study of red fox (Vulpes vulpes) behavior, we examined the use of neck snares to live-trap study animals. We modified the neck snare using swivel cam-locks, deer stops to minimize damage to the animal. Additionally, we utilized our knowledge of red-fox behavior to set traps in a way that would reduce trauma to the captured animals. We snared 21 red foxes during the 3-year study …
The Soap Box Birth Control Is Not For Everyone (Or Everything), Elizabeth Bingham
The Soap Box Birth Control Is Not For Everyone (Or Everything), Elizabeth Bingham
Human–Wildlife Interactions
No abstract provided.
Comparison Of Sampling Strategies To Estimate Abundance Of Double-Crested Cormorants In Western Mississippi, Aaron T. Pearse, Brian S. Dorr, Stephen J. Dinsmore, Richard M. Kaminski
Comparison Of Sampling Strategies To Estimate Abundance Of Double-Crested Cormorants In Western Mississippi, Aaron T. Pearse, Brian S. Dorr, Stephen J. Dinsmore, Richard M. Kaminski
Human–Wildlife Interactions
We compared 2 sampling strategies designed to estimate abundance of double-crested cormorants (Phalacrocorax auritus, hereafter cormorants) on aquaculture ponds in western Mississippi. Cormorants are a major predator of cultured channel catfish (Ictalurus punctatus) in this region; thus, estimating cormorant abundance is needed to better determine their economic impact. We independently designed a species-specific survey (i.e., cluster sampling) and a general survey (i.e., transect sampling) based on robust probability sampling theory to estimate abundance of this target population. During winters 2002–2003 and 2003–2004, we conducted 8 pairs of surveys and compared estimates of cormorant abundance and associated …
Using Predator Exclosures To Protect Ground Nests From Red Fox, Ben C. West, Terry A. Messmer, Dominic C. Bachman
Using Predator Exclosures To Protect Ground Nests From Red Fox, Ben C. West, Terry A. Messmer, Dominic C. Bachman
Human–Wildlife Interactions
Nest predation often is cited as a primary cause for low recruitment and subsequent population decline of many ground-nesting bird species. In response, managers and researchers have developed a myriad of techniques to reduce rates of predation on ground nests. Fences to exclude predators from nesting areas have reportedly been a successful, albeit expensive, strategy to reduce predation rates. Although many studies have evaluated the use of exclusionary fences as a management tool, nearly all of these studies have evaluated the impact of fences in terms of nest success rather than by actual fence penetration by predators. Many authors, for …
Population Viability Analysis Of Monk Parakeets In The United States And Examination Of Alternative Management Strategies, Stephen Pruett-Jones, James R. Newman, Michael L. Avery, James R. Lindsay
Population Viability Analysis Of Monk Parakeets In The United States And Examination Of Alternative Management Strategies, Stephen Pruett-Jones, James R. Newman, Michael L. Avery, James R. Lindsay
Human–Wildlife Interactions
In the United States, monk parakeets (Myiopsitta monachus) are expanding their geographical distribution, and their overall population size is growing exponentially. Monk parakeets are causing widespread economic damage in the United States by nesting on utility structures, which leads to electrical fires and power outages. Although few life history data are available for the species from North America, extensive data are available from the species’ native range in South America. Incorporating data from South America into the population viability analysis program VORTEX, we simulated population growth in United States monk parakeets to determine whether it is likely that …
Drive-By Netting: A Technique For Capturing Grebes And Other Diving Waterfowl, Joe N. Caudell, Michael R. Conover
Drive-By Netting: A Technique For Capturing Grebes And Other Diving Waterfowl, Joe N. Caudell, Michael R. Conover
Human–Wildlife Interactions
We describe a new method (drive-by netting) for capturing grebes (Podiceps spp.) and other birds that dive under water to escape capture. We used a floating gill net to capture 203 eared grebes (Podiceps nigricollis) in 20 days in 1999 on the Great Salt Lake (GSL), 652 eared grebes in 41 days on the GSL in 2000, and 409 grebes in 20 days in 2001. Other species captured during the 2000 and 2001 fi eld seasons included 1 western grebe (Aechmophorus occidentalis), 9 ruddy ducks (Oxyura jamaicensis), and 1 Canada goose (Branta …
Land-Use Pattern, Urbanization, And Deer–Vehicle Collisions In Alabama, Anwar Hussain, James B. Armstrong, David B. Brown, John Hogland
Land-Use Pattern, Urbanization, And Deer–Vehicle Collisions In Alabama, Anwar Hussain, James B. Armstrong, David B. Brown, John Hogland
Human–Wildlife Interactions
With the rise in deer–vehicle collisions across the United States, the associated costs also have risen. Increasingly, however, researchers are learning that these collisions are not a random phenomena but follow a systematic pattern. Building on this insight, we explored the role of county characteristics in influencing the pattern and incidence of white-tailed deer- (Odocoileus virginianus) related auto collisions. Using county level data from 1994 to 2003 in Alabama, we tested several data models with the above mentioned factors as covariates. Our results showed that county characteristics, such as (1) having a deer population density (≥31/km2), (2) being …
Public Opinion, The Leopold Report, And The Reform Of Federal Predator Control Policy, James W. Feldman
Public Opinion, The Leopold Report, And The Reform Of Federal Predator Control Policy, James W. Feldman
Human–Wildlife Interactions
This paper explores the role of public opinion in a landmark shift in the federal predator control program. In 1963, the Leopold Committee recommended extensive reform in the federal predator control program, predicting that growing public support for the environmental movement would force such a move if the government did not initiate a change. In the years following the publication of the Leopold Report, the U.S. Division of Wildlife Services reformed its predator control program and tried to improve its public image. Meanwhile, both environmentalists and ranchers fought to control public opinion about the issue. The 1972 ban on predacides …
The Director's Desk The Role Of Knowledge In Developing People Skills, Ben C. West
The Director's Desk The Role Of Knowledge In Developing People Skills, Ben C. West
Human–Wildlife Interactions
No abstract provided.
Student Voices Avoiding Conflicts Between Wildlife Professionals And Local Hunters Over Efforts To Eradicate Exotic Game Species, Hans Sin
Human–Wildlife Interactions
No abstract provided.
Introduction To Hwc's Special Topic Ecology And Management Of Feral Hogs, Stephen S. Ditchkoff, Ben C. West
Introduction To Hwc's Special Topic Ecology And Management Of Feral Hogs, Stephen S. Ditchkoff, Ben C. West
Human–Wildlife Interactions
No abstract provided.
Adaptive And Economic Management Methods For Feral Hog Control In Florida, Richard M. Engeman, Bernice U. Constantin, Stephanie A. Shwiff, Henry T. Smith, John Woolard, John Allen, John Dunlap
Adaptive And Economic Management Methods For Feral Hog Control In Florida, Richard M. Engeman, Bernice U. Constantin, Stephanie A. Shwiff, Henry T. Smith, John Woolard, John Allen, John Dunlap
Human–Wildlife Interactions
Feral hogs (Sus scrofa) negatively impact the environment in most places around the world where they have been introduced into the wild. In many places, hog removal is essential to protect special habitats, in particular, wetlands. This paper describes techniques developed for use in adaptive management approaches to enhance hog removal efforts in Florida, as well as methods to evaluate the economic impacts from hog management. A valuable adaptive management tool that can be an easily applied index to monitor feral hog activity is track plots. This method has been effective for monitoring hog distribution and relative abundance, …
A Landscape-Level Survey Of Feral Hog Impacts To Natural Resources Of The Big Thicket National Preserve, Pedro M. Chavarria, Roel R. Lopez, Gillian Bowser, Nova J. Silvy
A Landscape-Level Survey Of Feral Hog Impacts To Natural Resources Of The Big Thicket National Preserve, Pedro M. Chavarria, Roel R. Lopez, Gillian Bowser, Nova J. Silvy
Human–Wildlife Interactions
We conducted a survey of the impact of feral hog (Sus scrofa) on the natural resources of the Big Thicket National Preserve (BTNP), a unit of the National Park Service. We worked in 3 management units: Lance Rosier, Big Sandy, and Turkey Creek. Random stratified sampling was conducted to assess impacts from hog damage on resources by vegetation type at a landscape scale. Landscape features such as topography, soil moisture, soil type, and dominant vegetative cover types were used to predict hog damage. The overall damage to vegetation from hog rooting or wallowing averaged 28% within the 3 …
Crop Diversification Leads To Diverse Bird Problems In Hawaiian Agriculture, Marni E. Koopman, William C. Pitt
Crop Diversification Leads To Diverse Bird Problems In Hawaiian Agriculture, Marni E. Koopman, William C. Pitt
Human–Wildlife Interactions
Over the last 20 years, Hawaii’s agriculture has shifted from a focus on sugar cane (Saccharum officinarum) and pineapples (Ananas comosus) produced on large farms to a diverse array of products produced on a multitude of smaller farms. This dramatic shift in production, in addition to the introduction of many new avian species, has resulted in a concomitant change in the problems faced by agriculture. We surveyed farmers to determine the extent of bird damage to crops, the species responsible, the crops most vulnerable, and control methods employed. Bird problems varied by island, but cardinals ( …
Emeritus A Tribute To Frederick F. Knowlton, William H. Clay
Emeritus A Tribute To Frederick F. Knowlton, William H. Clay
Human–Wildlife Interactions
No abstract provided.
In Memory A Tribute To Glen Stevenson And Joe Harris, Angie Dustin
In Memory A Tribute To Glen Stevenson And Joe Harris, Angie Dustin
Human–Wildlife Interactions
No abstract provided.
Columns Developing People Skills In The Human–Wildlife Conflict Community, Ben C. West
Columns Developing People Skills In The Human–Wildlife Conflict Community, Ben C. West
Human–Wildlife Interactions
No abstract provided.