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Articles 1 - 15 of 15
Full-Text Articles in Animal Sciences
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Georgia Journal of Science
Grassland bird populations are being lost at an alarming rate due to human modifications to grassland ecosystems. Grassland restoration has been shown to mitigate population declines for many species that use these habitats at some point in their annual cycles. We examined capture rates of adult, breeding, and hatch-year birds at a restored grassland site in the piedmont of central Georgia to determine whether colonization, breeding success, hatching success, and recruitment processes were impacting populations of grassland birds. We banded birds approximately twice per month from January 2009 through December 2021 at Panola Mountain State Park. Restoration efforts started in …
Preliminary Analysis Of The Effects Of Non-Target Supplemental Feeding On Camera Trap Captures Of Small Mammals In Central Georgia, Raena Mccown, Travis Cunningham, Alfred J. Mead
Preliminary Analysis Of The Effects Of Non-Target Supplemental Feeding On Camera Trap Captures Of Small Mammals In Central Georgia, Raena Mccown, Travis Cunningham, Alfred J. Mead
Georgia Journal of Science
Supplemental bird feeding is a widespread hobby throughout western culture. Although it brings joy to many people, bird feeding has been shown to have potentially negative effects on local bird populations and small mammalian species. To study the differences in local occurrence of native small mammalian species around bird feeders and in more distant settings, six camera traps were placed in a rural residential area in Putnam County, Georgia. Three cameras were placed facing bird feeders and three placed a minimum of 60 m away from the feeders. Species presence was recorded three days a week from 12:00 am Monday …
A Facial Congenital Anomaly In A Mature Male White-Tailed Deer (Odocoileus Virginianus), Travis Cunningham, Al Mead
A Facial Congenital Anomaly In A Mature Male White-Tailed Deer (Odocoileus Virginianus), Travis Cunningham, Al Mead
Georgia Journal of Science
Congenital anomalies are rarely documented in wild ungulates. This study describes a congenital facial malformation in a mature male white-tailed deer harvested in central Georgia in 2020. The skull displays a mediolateral deflection of the rostrum, and the mandibles display similar deflection with posterior rotation at the mandibular symphysis, a maxillofacial malformation commonly called wry face. Based on physical examination and radiographic imagery, there were no signs of neoplasia or healed bone trauma on the skull or jaws, suggesting a congenital origin for the deformity. Studies of domestic horses displaying wry face conclude that the malformation arises from fetal mispositioning …
Size Estimates Of The Extinct Marine Snake Pterosphenus Schucherti From Eocene-Aged Sediments Of Central Georgia, Colin J. Calvert, Alfred J. Mead, Dennis Parmley
Size Estimates Of The Extinct Marine Snake Pterosphenus Schucherti From Eocene-Aged Sediments Of Central Georgia, Colin J. Calvert, Alfred J. Mead, Dennis Parmley
Georgia Journal of Science
Fossil snakes are most often identified from isolated vertebrae, complicating estimations of total body lengths of extinct taxa. Here we estimate the range of total body length of the late Eocene North American palaeophiid marine snake Pterosphenus schucherti based on 29 recently collected fossil vertebrae from Wilkinson County, Georgia, USA. Previous research suggests that the palaeophiids are most closely related to modern boids. Total body length estimates here are based on family-specific regressions of centrum length versus known total body length in extant members of Boidae, Pythonidae, and Colubridae. The high correlation coefficients for the family specific regressions supports previous …
Estimating The Size Of Georgia's Resident Canada Goose Population, Gregory D. Balkcom
Estimating The Size Of Georgia's Resident Canada Goose Population, Gregory D. Balkcom
Georgia Journal of Science
Canada geese (Branta canadensis) are an important waterfowl species in Georgia, and are hunted across the state. To meet management objectives, managers need to understand the impacts of hunting regulations on the population of interest. Therefore, reliable population estimates are necessary. Population size can be estimated by various methods, including aerial surveys, ground surveys, or population indices such as the Lincoln Estimator. I used annual estimates of resident Canada goose harvest in Georgia from the U.S. Fish and Wildlife Service’s Harvest Information Program along with banding and recovery data from the Bird Banding Laboratory in a bias-adjusted version …
What Roadkills Did We Miss In A Driving Survey? A Comparison Of Driving And Walking Surveys In Baldwin County, Georgia, Kori A. Ogletree, Alfred J. Mead
What Roadkills Did We Miss In A Driving Survey? A Comparison Of Driving And Walking Surveys In Baldwin County, Georgia, Kori A. Ogletree, Alfred J. Mead
Georgia Journal of Science
Accurate estimates of vertebrate road mortalities are necessary prior to the consideration of mitigation measures by resource managers. Due to ease of implementation, driving surveys are more common than walking surveys. From February 2018 to February 2019, two survey methods, driving and walking, were used to monitor a 1.16 km section of Highway 212 in Baldwin County, Georgia. Roadkills were identified and monitored for persistence from sunrise to noon two days a week. Twenty-nine roadkills were recorded over the survey period: 48.3% mammals (14/29), 27.6% herpetofauna (8/29), and 24.1% birds (7/29). Forty-eight percent (14/29) of roadkills were missed by the …
Long-Term Changes In Avian Capture Rates During Twelve Years Of Active Grassland And Savannah Restoration, Katie Stumpf, Charles Muise
Long-Term Changes In Avian Capture Rates During Twelve Years Of Active Grassland And Savannah Restoration, Katie Stumpf, Charles Muise
Georgia Journal of Science
The decline of grassland ecosystems throughout the United States has caused population declines of many bird species, especially grassland specialists, which has led to greater interest in restoring these dwindling habitats with a combination of natural fire regimes and the replanting of native vegetation. In the southeastern United States, several species of birds use grassland habitats at critical points throughout the annual cycle, as breeding or wintering grounds or as migration stopover sites. Since April 2007, we have operated 9–11 mist nets at Panola Mountain State Park, in Rockdale County, Georgia, in an area that is being actively restored to …
Dental And Mandibular Anomalies In White-Tailed Deer (Odocoileus Virginianus) From Central Georgia, Patrick M. Powers, Alfred J. Mead
Dental And Mandibular Anomalies In White-Tailed Deer (Odocoileus Virginianus) From Central Georgia, Patrick M. Powers, Alfred J. Mead
Georgia Journal of Science
The frequency of dental and mandibular anomalies in free-ranging white-tailed deer in the southeastern United States is not well documented. Characteristic irregularities include supernumerary and missing teeth, malocclusion, root abscesses due to bacterial infections, and tooth or bone damage due to trauma. In the present study, we examined 778 white-tailed deer dentaries collected from the Piedmont National Wildlife Refuge in central Georgia. All dentaries were inspected for lesions, tooth irregularities, developmental anomalies, and other pathologies. Thirty-two dentaries (4.1%) displayed signs of dental or bone abnormalities. More abnormalities were associated with infection or injury (22/778, 2.8%) compared to unusual tooth development …
Identifying Roadkill Hotspots Using A Running Average, Kori A. Ogletree, Alfred J. Mead, Evan R. Boitet
Identifying Roadkill Hotspots Using A Running Average, Kori A. Ogletree, Alfred J. Mead, Evan R. Boitet
Georgia Journal of Science
The identification of roadkill hotspots is necessary prior to the consideration of wildlife road mortality mitigation measures. In a previous study, 178 roadkill specimens were tallied via a driving survey along 21.4 km (13.3 mi) on three connected roadways in Baldwin County, Georgia. Roadkill locations were recorded to the nearest 0.16 km (0.1 mi) using the vehicle odometer. In the current study, location data were used to generate three graphical displays of roadkill distribution: 1) a linear graph of roadkills per 0.16 km (0.1 mi) bin; 2) a linear graph of roadkills per 0.8 km (0.5 mi) bin; and 3) …
Description Of A Pathologic White-Tailed Deer (Odocoileus Virginianus) Mandible From Central Georgia, Patrick M. Powers, Alfred J. Mead
Description Of A Pathologic White-Tailed Deer (Odocoileus Virginianus) Mandible From Central Georgia, Patrick M. Powers, Alfred J. Mead
Georgia Journal of Science
A pathologic mandible was observed in a male white-tailed deer (Odocoileus virginianus) harvested in central Georgia during the 2015 fall hunting season. The deer was approximately four and a half years of age and displayed no outward indication of injury or evidence of irregular tooth attrition at the time of death. Upon soft tissue removal, the mandible displayed signs of premortem trauma. The pathology was consistent with secondary bone deposition associated with bone breakage. The nature of the fracture suggests that it may have been caused by antler impact during male-to-male sparring. A physical examination of 621 white-tailed …
The Effects Of Fluoride Ions On Neuromuscular Activity And Regeneration In Dugesia Tigrina, John Williams Jr.
The Effects Of Fluoride Ions On Neuromuscular Activity And Regeneration In Dugesia Tigrina, John Williams Jr.
Georgia Journal of Science
Fluoride ions have been implicated in numerous nervous system pathologies, though the association of these ions with these conditions has been controversial. The purpose of this research is to determine the effects that fluoride ions have on the nervous system development and function in planarians as a simple model for fluoride-nervous system interactions. In the first set of experiments, planarians were exposed to one of four concentrations of sodium fluoride: 0 mM, 1 mM, 1 mM, and 5 mM. In the second set of experiments, planarians were bisected and exposed to 1 mM of NaCl and NaF for regeneration purposes. …
Body Mass Estimates From Bone And Tooth Measurements In White-Tailed Deer, Odocoileus Virginianus, Brandi Morris, Alfred J. Mead
Body Mass Estimates From Bone And Tooth Measurements In White-Tailed Deer, Odocoileus Virginianus, Brandi Morris, Alfred J. Mead
Georgia Journal of Science
The distal forelimbs and mandibles of 110 female and 240 male white-tailed deer (Odocoileus virginianus) from the Piedmont National Wildlife Refuge, Georgia, were used to examine the relationship between metacarpal dimensions, first lower molar occlusal surface area, and mandibular width versus body mass. The strongest correlation was found between female metacarpal proximal area vs. body mass (R2 = 0.74). The combined-sexes metacarpal proximal area vs. body mass displayed a lower correlation (R2 = 0.54). The female first lower molar surface area vs. body mass produced the highest dental correlation (R2 = 0.56). The study suggests that body mass estimates using …
A Contribution To The Tardigrade Fauna Of Georgia, Usa, Juliana G. Hinton, Harry A. Meyer, Brad Peet
A Contribution To The Tardigrade Fauna Of Georgia, Usa, Juliana G. Hinton, Harry A. Meyer, Brad Peet
Georgia Journal of Science
Tardigrada (water bears) is a phylum of microscopic animals commonly found in mosses, lichens, leaf litter, and freshwater. There are no published records of marine tardigrades from Georgia. Twelve species have been reported from four counties in the state of Georgia, USA. Eighteen species of water bear were present in lichen, moss, and leaf litter samples from eight additional counties in northern and central Georgia. Ten species – Pseudechiniscus suillus, Milnesium bohleberi, Hypsibius convergens, Astatumen trinacriae, Macrobiotus anemone, Macrobiotus cf. echinogenitus, Macrobiotus cf. islandicus, Macrobiotus spectabilis, Paramacrobiotus cf. areolatus, and Paramacrobiotus …
Natural Skeletal Pathologies In A Population Of Gray Squirrels, Sciurus Carolinensis, From Putnam County, Georgia, Anna M. Bosch, Katelyn J. Benson, Alfred J. Mead
Natural Skeletal Pathologies In A Population Of Gray Squirrels, Sciurus Carolinensis, From Putnam County, Georgia, Anna M. Bosch, Katelyn J. Benson, Alfred J. Mead
Georgia Journal of Science
Antemortem bone remodeling following severe trauma leads to bone disfigurement that serves as a skeletal record of the injury resulting from events such as nonfatal predator attacks, aggressive intraspecific interactions, or accidental injuries related to lifestyle hazards. In the current study, pathologic bone regrowth was analyzed in a sample of 91 eastern gray squirrel (Sciurus carolinensis) skeletons from Putnam County, Georgia. The occurrence, frequency, and position of bridging fracture calluses, bone misalignments, bone-surface perforations, and localized superficial calluses were recorded and compared to other terrestrial, semiarboreal, and arboreal mammalian species. Evidence of healed bone fractures was observed in 41% of …
Declining Frequency Of Road-Killed Rabbits In Central Georgia, Anna M. Bosch, Katelyn J. Benson, Alfred J. Mead
Declining Frequency Of Road-Killed Rabbits In Central Georgia, Anna M. Bosch, Katelyn J. Benson, Alfred J. Mead
Georgia Journal of Science
Cottontail rabbits (Sylvilagus floridanus, Sylvilagus aquaticus, Sylvilagus palustris) are a common component of the mammal fauna of the southeastern United States, yet their numbers have been in decline for at least the past 40 years. Urban sprawl, land use changes, forest maturation, and increased predation have contributed to the decline in Georgia. In the current study we explore the proposition that long-term changes in roadkill frequency track changes in wildlife populations as a whole. Using comparisons of historical data collected by Georgia Department of Natural Resources personnel and recent roadkill census data from Baldwin County, it appears that the overall …