Skip to main content
U.S. flag

An official website of the United States government

Publications

View citations of publications by National Wildlife Health Center scientists since our founding in 1975.  Access to full-text is provided where possible.

Filter Total Items: 1616

USGS quarterly wildlife mortality report October 2018

No abstract available.
Authors
Bryan J. Richards, Robert J. Dusek, Anne Ballmann, Natalie T. Nguyen

Local factors associated with on‐host flea distributions on prairie dog colonies

Outbreaks of plague, a flea‐vectored bacterial disease, occur periodically in prairie dog populations in the western United States. In order to understand the conditions that are conducive to plague outbreaks and potentially predict spatial and temporal variations in risk, it is important to understand the factors associated with flea abundance and distribution that may lead to plague outbreaks. W
Authors
Robin E. Russell, Rachel C. Abbott, Daniel W. Tripp, Tonie E. Rocke

Experimental infection of Tadarida brasiliensis with Pseudogymnoascus destructans, the fungus that causes white-nose syndrome

White-nose syndrome (WNS) is causing significant declines in populations of North American hibernating bats, and recent western and southern expansions of the disease have placed additional species at risk. Understanding differences in species susceptibility and identifying management actions to reduce mortality of bats from WNS are top research priorities. However, the use of wild-caught suscepti
Authors
Michelle Verant, Carol U. Meteyer, Benjamin Stading, David S. Blehert

Human induced trauma and directed take inhibits sea turtle recovery in the Commonwealth of the Northern Mariana Islands

Sea turtle conservation is often hindered by the lack of reliable information on population status and threats due to sampling difficulties of these highly migratory reptiles that live in remote and data-poor locations. This paper summarizes more than a decade of stranding recoveries (live and dead turtles) on the islands of Saipan and Tinian, Commonwealth of the Northern Mariana Islands (CNMI), t
Authors
Tammy M. Summers, Irene Kinan Kelly, Thierry M. Work, Jessy R. Hapdei, Joe K. Ruak

Chiroptera

With over 1300 species identified, bats represent almost one quarter of the world’s mammals (Fenton and Simmons 2014), bats provide important environmental services such as insect pest suppression, seed dispersal, and pollination and inhabit a wide variety of ecological niches on all continents except Antarctica. Over 150 species are listed as endangered or vulnerable to extinction, primarily due
Authors
Lisa L. Farina, Julia S. Lankton

Exploring the pathology of an epidermal disease affecting a circum-Antarctic sea star

Over the past decade, unusual mortality outbreaks have decimated echinoderm populations over broad geographic regions, raising awareness globally of the importance of investigating such events. Echinoderms are key components of marine benthos for top-down and bottom-up regulations of plants and animals; population declines of these individuals can have significant ecosystem-wide effects. Here we d
Authors
Laura Nunez-Pons, Thierry M. Work, Carlos Angulo-Preckler, Juan Moles, Conxita Avila

U.S. Geological Survey response to white-nose syndrome in bats

OverviewSince its discovery in 2007, the fungal disease known as white-nose syndrome (WNS) has killed more than six million bats. Ten of 47 bat species have been affected by WNS across 32 States and 5 Canadian Provinces. The cold-growing fungus (Pseudogymnoascus destructans) that causes WNS infects skin covering the muzzle, ears, and wings of hibernating bats. The fungus erodes deep into the vital
Authors
M. Camille Hopkins, Suzanna C. Soileau

Applying a Bayesian weighted surveillance approach to detect chronic wasting disease in white‐tailed deer

Surveillance is critical for early detection of emerging and re‐emerging infectious diseases. Weighted surveillance leverages heterogeneity in infection risk to increase sampling efficiency.Here, we apply a Bayesian approach to estimate weights for 16 surveillance classes of white‐tailed deer in Wisconsin, USA, relative to hunter‐harvested yearling males. We used these weights to conduct a surveil
Authors
Christopher S. Jennelle, Daniel P. Walsh, Michael D. Samuel, Erik E. Osnas, Robert E. Rolley, Julia A. Langenberg, Jenny G. Powers, Ryan J. Monello, E. David Demarest, Rolf Gubler, Dennis M. Heisey

An update on Toxoplasma gondii infections in northern sea otters (Enhydra lutris kenyoni) from Washington State, USA

Toxoplasmosis in marine mammals is epidemiologically and clinically important. Toxoplasma gondii antibodies (by modified agglutination test, cut-off ≥1:25) were detected in serum of 65 of 70 (92.9%) northern sea otters (Enhydra lutris kenyoni) from Washington State, USA. Brains and/or muscles of 44 sea otters were bioassayed in mice (INF-γ knock-out [KO], Swiss Webster outbred [SW]) and viable T.
Authors
Shiv K. Verma, Susan Knowles, Camila K. Cerqueira-Cezar, Oliver C. Kwok, Tiantian Jiang, Chunlei Su, Jitender P. Dubey

USGS quarterly wildlife mortality report July 2018

No abstract available.
Authors
Bryan J. Richards, Barbara Bodenstein, Anne Ballmann, Michelle St. Martin

Effect of climate change on disease spread in wildlife

A growing body of evidence indicates that climate change alone, or acting synergistically with current anthropogenic threats, is affecting the health of wild populations of aquatic and terrestrial wildlife. Measurable by-products of climate change include elevated atmospheric concentrations of greenhouse gases, higher average global temperatures; variations in global precipitation patterns, rising
Authors
Erik K. Hofmeister, Caroline R. Van Hemert

Associations of intestinal helminth infections with health parameters of spring-migrating female lesser scaup (Aythya affinis) in the upper Midwest, USA

Thousands of lesser scaup (Aythya affinis) die during spring and fall migrations through the upper Midwest, USA, from infections with Cyathocotyle bushiensis and Sphaeridiotrema spp. (Class: Trematoda) after ingesting infected intermediate hosts, such as non-native faucet snails (Bithynia tentaculata). The lesser scaup is a species of conservation concern and is highly susceptible to these infecti
Authors
J. Conner England, Jeffrey M. Levengood, Josh M. Osborn, Aaron P. Yetter, Cory D. Suski, Rebecca A. Cole, Heath M. Hagy