Nicholas Hollingshead

Nicholas Hollingshead
Cornell University | CU · Animal Health Diagnostic Center

About

25
Publications
4,643
Reads
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65
Citations
Citations since 2017
21 Research Items
49 Citations
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Publications

Publications (25)
Article
Full-text available
Mange, a parasitic skin disease caused by various species of mites, is found in free-ranging wildlife populations and has been increasingly reported in American black bears (Ursus americanus) over the last decade in New York State (NYS), USA. Our goal was to describe the geographic, seasonal, and demographic factors associated with mange in this sp...
Preprint
Full-text available
The spillover of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from humans into white-tailed deer (WTD) and its ability to transmit from deer-to-deer raised concerns about the role of WTD in the epidemiology and ecology of the virus. In the present study, we conducted a comprehensive investigation to assess the prevalence, genetic di...
Article
Full-text available
Anticoagulant rodenticides (ARs) continue to be used across the United States as a method for controlling pest rodent species. As a consequence, wild birds of prey are exposed to these toxicants by eating poisoned prey items. ARs prevent the hepatic recycling of vitamin K and thereby impede the post-translational processing of coagulation factors I...
Method
Full-text available
The Chronic Wasting Disease Surveillance Optimization Software computes sampling strategy recommendations for state-wise use of surveillance funds by a state wildlife management agency when the goal of the disease surveillance program is to detect chronic wasting disease (CWD) in white-tailed deer (Odocoileus virginianus). Driven by a combinatorial...
Method
Full-text available
The Wildlife Disease Hazard Software displays the hazards associated with the introduction and spread of Chronic Wasting Disease (CWD) in wild white-tailed deer (Odocoileus virginianus) in the eastern United States (US) and Canada (CAN).
Method
Full-text available
The Regional Wildlife Disease Hazard Software displays the hazards associated with the introduction and spread of chronic wasting disease (CWD) in free ranging white-tailed deer (Odocoileus virginianus) in select states and provinces in the eastern United States (US) and Canada (CAN). The Regional Wildlife Disease Hazard Software was adapted from t...
Method
Full-text available
The Regional Wildlife Disease Positives Software allows the user to track the occurrence, persistence, or spread of chronic wasting disease (CWD) in free ranging white-tailed deer (Odocoileus virginianus) in select states and provinces in the eastern United States (US) and Canada (CAN). The Regional Wildlife Disease Positives Software was adapted f...
Method
Full-text available
The Wildlife Disease Positives Software allows the user to track the occurrence, persistence, or spread of diseases in free-ranging wildlife. The R scripts of the Wildlife Disease Positives Software are executed in sequence to (1) summarize testing (surveillance) data by county in a US state or Canadian province of interest, (2) summarize positivit...
Preprint
Full-text available
Anticoagulant rodenticides (ARs) continue to be used across the United States as a method for controlling unwanted rodent species. As a consequence, wild birds of prey are exposed to toxins by eating poisoned prey items. ARs prevent the hepatic recycling of vitamin K and thereby impede the post-translational processing of coagulation factors II, VI...
Article
Full-text available
Wildlife rehabilitation is a publicly popular practice, though not without controversy. State wildlife agencies frequently debate the ecological impact of rehabilitation. By analyzing case records, we can clarify and quantify the causes for rehabilitation, species involved, and treatment outcomes. This data would aid regulatory agencies and rehabil...
Method
Full-text available
The Habitat Risk Software leverages a previously published Bayesian hierarchical model framework (Clayton and Kaldor 1987; Banderjee et al. 2004; Gelman et al. 2004; Evans et al. 2016) with opportunistic (hunter-harvest) wildlife surveillance disease testing data and publicly available geospatial (raster) data to estimate the geographical risk that...
Method
Full-text available
The Processing of Geospatial Data for the Habitat Risk Software allows the user to process publicly available geospatial data with the use of open-source software into the format necessary for inclusion in the Habitat Risk Software (Hanley et al. 2021; doi.org/10.7298/rcz8-nw50), which is the software that leverages Bayesian Hierarchical models (Cl...
Presentation
Full-text available
In December of 2018, Chronic Wasting Disease (CWD) was first discovered in Tennessee from 10 hunter-harvested deer in southwest Tennessee. An emergency extension of the hunting season including several weekends of mandatory check stations allowed the Tennessee Wildlife Resources Agency (TWRA) to do a rapid assessment of the prevalence and spatial e...
Preprint
Full-text available
Wildlife rehabilitation is a publicly popular though highly controversial practice. State wildlife agencies frequently debate the ecological impact of rehabilitation. Analysis of case records could inform that debate by clarifying and quantifying the causes for rehabilitation, species involved, and treatment outcomes. This information could aid in...
Article
Increased mortalities of adult Eastern Bluebirds, Sialia sialis, breeding in artificial nesting boxes were recorded in New York State, US. A total of 46 dead bluebirds were reported from 23 sites between early April and mid-August 2017. The maximum distance between sites was over 600 km. A total of 27 carcasses were available for postmortem examina...
Article
Full-text available
Twelve wild North American porcupines (Erethizon dorsatum) out of a total of 44 of this species examined in an 8-year period were diagnosed with dermatopathies while being cared for at two wildlife rehabilitation clinics. Biopsy and necropsy were performed on seven and five animals, respectively. Atypical dermatophytosis was diagnosed in all cases....
Preprint
Full-text available
Twelve wild North American Porcupines (Erethizon dorsatum) were diagnosed with dermatopathies while being cared for at two wildlife rehabilitation clinics. Biopsy and necropsy were performed on 7 and 5 animals respectively. Atypical dermatophytosis was diagnosed in all cases. Lesions consisted of diffuse severe epidermal hyperkeratosis and mild hyp...
Article
Three fishers (Martes pennanti), 2 gray foxes (Urocyon cinereoargenteus), 1 mink (Neovison vison), 1 skunk (Mephitis mephitis), and 1 raccoon (Procyon lotor), from Vermont and New Hampshire, had lesions on autopsy consistent with canine distemper virus (CDV) infections diagnosed in a 12-mo period in 2016–2017. Lesions of CDV infection were most com...
Article
Full-text available
Vernal pools are small, ephemeral wetlands that act as distinct aquatic “islands” of biodiversity embedded in the Cumberland Plateau landscape of the southeastern United States. Specifically, many amphibian species in the region are dependent on the maintenance of these pools within the surrounding terrestrial habitat in order to complete their com...
Article
Nutrient loads were estimated for the 34 watersheds draining into Cayuga Lake, New York, through use of a watershed model. Financial and human resources were very limited for the project, but significant cost savings were achieved through project decisions. Chief among these were selection of a watershed model that did not require calibration and u...
Technical Report
Cayuga Lake is a large lake in the Finger Lakes Region of central New York State. It is approximately 60 km long, with an average width of about 2.8 km and maximum depth of more than 130 m. The lake's drainage area is somewhat ambiguous due to the entrance of the Seneca-Cayuga Canal within 400 m of the north outlet. The canal receives water from bo...
Article
Full-text available
To investigate the potential causes of changes to bird communities in exurban areas, we examined the relationship between bird and macroinvertebrate communities in exurbanized forest. We randomly located sampling points across a gradient of exurbanization. We used point counts to quantify bird communities and sweep netting, soil cores, pitfalls, an...

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