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

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Wildlife Health Bulletins are distributed to natural resource/conservation agencies to provide and promote information exchange about significant wildlife health threats.

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Wildlife Disease Case Definitions

Case definitions provide a standardized, science-based set of criteria for diagnosing disease and pathogens. This manual provides case definitions for selected diseases of importance to wildlife in Canada and the United States.

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Additional Resources

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January 1, 2001

Disease mortality events involving Ross's Geese Disease mortality events involving Ross's Geese

No abstract available.

Authors

M.D. Samuel, K. A. Converse, Kimberli J.G. Miller

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

Dual Sarcocystis neurona and Toxoplasma gondii infection in a northern sea otter from Washington state, USA Dual Sarcocystis neurona and Toxoplasma gondii infection in a northern sea otter from Washington state, USA

Dual Sarcocystis neurona and Toxoplasma gondii infection was observed in a Northern sea otter from Washington, USA. The animal was found stranded, convulsed, and died shortly thereafter. Encephalitis caused by both S. neurona and T. gondii was demonstrated in histological sections of brain. Immunohistochemical examination of sections with S. neurona specific antisera demonstrated...

Authors

D. S. Lindsay, N. J. Thomas, A.C. Rosypal, J. P. Dubey

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

National Wildlife Health Center's Quarterly Mortality Report National Wildlife Health Center's Quarterly Mortality Report

No abstract available.

Authors

K. A. Converse, A. Schrader

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

Book review: Ecological Indicators for the Nation, National Research Council, 2000 Book review: Ecological Indicators for the Nation, National Research Council, 2000

No abstract available.

Authors

James P. Bennett

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

Spontaneous neoplasia in amphibia Spontaneous neoplasia in amphibia

No abstract available.

Authors

David Earl Green, J.C. Harshbarger

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

Pleurochrysis pseudoroscoffensis (Prymnesiophyceae) blooms on the surface of the Salton Sea, California Pleurochrysis pseudoroscoffensis (Prymnesiophyceae) blooms on the surface of the Salton Sea, California

Dense populations of the coccolithophore Pleurochrysis pseudoroscoffensis were found in surface films at several locations around the Salton Sea in February–August, 1999. An unidentified coccolithophorid was also found in low densities in earlier studies of the lake (1955–1956). To our knowledge, this is the first record of this widespread marine species in any lake. Samples taken from...

Authors

Kristen M. Reifel, M. P. McCoy, M. A. Tiffany, Tonie E. Rocke, Charles Trees, S. B. Barlow, D. J. Faulkner, S. H. Hurlbert

Ecosystems Mission Area, National Wildlife Health Center, Salton Sea

January 1, 2001

Oral chytridiomycosis in the mountain yellow-legged frog (Rana muscosa) Oral chytridiomycosis in the mountain yellow-legged frog (Rana muscosa)

The chytrid fungus Batrachochytrium dendrobatidis was originally reported in wild frog populations in Panama and Australia, and from captive frogs in the U.S. National Zoological Park (Washington, DC). This recently described fungus affects the keratinized epidermis of amphibians and has been implicated as a causative factor in the declines of frog populations. We report here the...

Authors

G. M. Fellers, D. E. Green, J.E. Longcore

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

Immune status of free-ranging green turtles with fibropapillomatosis from Hawaii Immune status of free-ranging green turtles with fibropapillomatosis from Hawaii

Cell-mediated and humoral immune status of free-ranging green turtles (Chelonia mydas) in Hawaii (USA) with and without fibropapillomatosis (FP) were assessed. Tumored and non-tumored turtles from Kaneohe Bay (KB) on the island of Oahu and from FP-free areas on the west (Kona/Kohala) coast of the island of Hawaii were sampled from April 1998 through February 1999. Turtles on Oahu were...

Authors

Thierry M. Work, Robert Rameyer, George H. Balazs, Carolyn Cray, Sandra P. Chang

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

National Wildlife Health Center's Quarterly Mortality Report National Wildlife Health Center's Quarterly Mortality Report

No abstract available.

Authors

A. Schrader, K. Converse, Kimberli J.G. Miller, G. McLaughlin, Rex Sohn

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

National Wildlife Health Center's Quarterly Mortality Report National Wildlife Health Center's Quarterly Mortality Report

No abstract available.

Authors

Kimberli J.G. Miller, K. Converse, A. Schrader

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2001

Size characteristics of stones ingested by common loons Size characteristics of stones ingested by common loons

Common Loon (Gavia immer) carcasses recovered in New England had more stones of greater combined mass in their stomachs than loons from the southeastern United States. Stones retained in sieves with mesh sizes between 4.75 and 8.00 mm accounted for the greatest percentage (by mass) of grit in loon stomachs. The median longest dimension of the largest single stone in each stomach was 12.5...

Authors

J. Christian Franson, Scott P. Hansen, Mark Pokras, Rose Miconi

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2000

Lead exposure in American black ducks after implementation of non-toxic shot Lead exposure in American black ducks after implementation of non-toxic shot

Lead poisoning from the ingestion of spent shotgun pellets has been recognized as an important disease of North American waterfowl since Bellrose's (1959) research >40 years ago. Nation-wide regulations banning the use of lead shot for waterfowl hunting were established in 1991. We compared the prevalence of lead exposure in American black ducks (Anas rubripes) wintering on 2 areas in...

Authors

M.D. Samuel, E. Frank Bowers

Ecosystems Mission Area, National Wildlife Health Center