National Wildlife Health Center


What's all the buzz about? Stay up-to-date with the latest NWHC and USGS News items below.

Filter Total Items: 127
Date published: October 25, 2021

Trick or Treat? The Frightening Threats to Bats

These night-flyers are valuable—and in grave danger. 

Date published: October 7, 2021

Multiple Coronaviruses Found in Animals Around Utah Mink Farms

Scientists detected six types of coronaviruses in numerous wild and domestic mammals sampled on and near mink farms in Utah, according to a U.S. Geological Survey-led study available today.

Date published: October 1, 2021

Pathology Case of the Month - Red Crossbills and American Goldfinches

Case History: In July, approximately 45 red crossbills (Loxia curvirostra) and American goldfinches (Spinus tristis) exhibited lethargy and were later found dead around bird feeders at several houses in a neighborhood in Montana, U.S.A.

Date published: September 30, 2021

Destructive Snake Disease Discovered in Museum Specimens

A recent study of museum snake specimens shows that snake fungal disease, a skin infection threatening many important snake populations, existed in the U.S. over 50 years earlier than previously thought. 

Date published: September 2, 2021

Pathology Case of the Month - California Newt

History: In May 2021, a morbidity and mortality event involving California newts (Taricha torosa) was reported at a national park in California, USA. 

Date published: August 5, 2021

New enhancements to WHISPers made possible by partnership with SGCI

The USGS National Wildlife Health Center is excited to announce usability enhancements to WHISPers, the Wildlife Health Information Sharing Partnership – event reporting system. The enhancements include a more secure and streamlined registration process and a re-envisioned home page with an integrated search and...

Date published: August 2, 2021

Pathology Case of the Month - Sandhill Crane

Case History: Approximately 30 sandhill cranes (Antigone canadensis) were found dead during a winter cold snap in Indiana, U.S.A. One bird was noted to have a mass on its leg.

Date published: July 12, 2021

Preventive actions in response to the Bsal threat reduced Bsal risk in the U.S.

Import regulations and a large surveillance effort have reduced the risk of Batrachochytrium salamandrivorans (Bsal) introduction to the United States. A new study evaluated the impact of these actions and updated a previous Bsal risk assessment to provide information for adaptive decision-making.

Date published: July 2, 2021

UPDATE: NWHC and partners continue investigating DC area morbidity-mortality event

In late May, wildlife managers in Washington D.C., Maryland, Virginia, West Virginia, and Kentucky began receiving reports of sick and dying birds with eye swelling and crusty discharge, as well as neurological signs. 

Date published: July 1, 2021

Pathology Case of the Month - Raccoon

Case History: An adult female 4315-g raccoon (Procyon lotor) was found sick in Texas, US, and was euthanized. 

Date published: June 9, 2021

NWHC and partners investigating DC area mortality event

In late May, wildlife managers in Washington D.C., Virginia, Maryland and West Virginia began receiving reports of sick and dying birds with eye swelling and crusty discharge, as well as neurological signs. No definitive cause of death is identified at this time.

Date published: June 9, 2021

UPDATED Interagency Statement: USGS and Partners Continue Investigating DC Area Bird Mortality Event

If you are a private individual or entity with a wildlife morbidity and/or mortality event to report, please contact your state department of natural resources or state agency of game and fish.