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Biological Threats and Invasive Species Research Program

The Biological Threats Research Program delivers science to protect public safety, property, and ecosystems from invasive plants and animals and infectious fish and wildlife diseases that pose significant ecologic and economic threats to the resources of the United States.

News

A Tale of Two Islands and the Future of an Ocean Sentinel Seabird

A Tale of Two Islands and the Future of an Ocean Sentinel Seabird

Amphibian Week with USGS: Science for Healthy Habitats

Amphibian Week with USGS: Science for Healthy Habitats

USGS Wildlife Health Awareness Day 2026: Healthy Wildlife, Enduring Traditions

USGS Wildlife Health Awareness Day 2026: Healthy Wildlife, Enduring Traditions

Publications

Efficacy of increased visual and olfactory cues for luring and trapping invasive tegu lizards Efficacy of increased visual and olfactory cues for luring and trapping invasive tegu lizards

Controlling invasive wildlife species relies on the ability to efficiently remove individuals from the invaded environment. Thus, maximizing capture potential is of high interest, particularly for species that are difficult to capture. For invasive species such as the Argentine black and white tegu lizard (Salvator merianae), increasing attraction to traps could increase the probability...
Authors
Amanda Marie Kissel, Kevin L. Donmoyer, Mark Robert Sandfoss, James C. Howard, Christina M. Romagosa, Amy A. Yackel Adams

Between a rock and a hard place: Experiences of the chronic wasting disease management community Between a rock and a hard place: Experiences of the chronic wasting disease management community

Chronic wasting disease (CWD) is a widespread and incurable cervid disease. Despite continuing investments, the logistical challenges of CWD have required wildlife managers and researchers to navigate changing priorities with conflicting public perceptions. When overcoming difficult management problems, leveraging exploratory methods may identify previously unrecognized hypotheses. In...
Authors
Patrick Roan, Brad Milley, Nicholas W. Cole

Observational, virological, and serological data provide insights into an outbreak of highly pathogenic avian influenza among wild birds on the Yukon-Kuskokwim Delta, Alaska in 2022 Observational, virological, and serological data provide insights into an outbreak of highly pathogenic avian influenza among wild birds on the Yukon-Kuskokwim Delta, Alaska in 2022

In 2021–22, clade 2.3.4.4b highly pathogenic avian influenza (HPAI) viruses were introduced by wild birds into North America, leading to geographically widespread disease. In response to HPAI outbreaks throughout late 2021 and early 2022, we recorded observations of sick and dead birds, estimated abundance of carcasses, collected swab and sera samples to detect viruses, and monitored...
Authors
Bryan Daniels, Erik E. Osnas, Megan Boldenow, Robert Gerlach, Christina Ahlstrom, Sarah Coburn, Michael J. Brook, Michael Brubaker, Julian Fischer, David N. Koons, Angela Matz, Marin Murphy, Daniel Rizzolo, Laura Celeste Scott, David R. Sinnett, Jordan M. Thompson, Juliana Lenoch, Mia Kim Torchetti, David E. Stallknecht, Rebecca L. Poulson, Andrew M. Ramey

Science

Harmful Algal Bloom Toxins in Alaska Seabirds

Elevated ocean temperatures are linked to the development of harmful algal blooms (HABs). Toxins from these blooms may pose health threats to marine organisms, including seabirds. Since 2015, the USGS has worked with a variety of stakeholders to develop testing methods and research projects to better understand the geographic extent, timing and impacts of algal toxins in Alaska marine ecosystems...
Harmful Algal Bloom Toxins in Alaska Seabirds

Harmful Algal Bloom Toxins in Alaska Seabirds

Elevated ocean temperatures are linked to the development of harmful algal blooms (HABs). Toxins from these blooms may pose health threats to marine organisms, including seabirds. Since 2015, the USGS has worked with a variety of stakeholders to develop testing methods and research projects to better understand the geographic extent, timing and impacts of algal toxins in Alaska marine ecosystems...
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Rapid Genetic Testing to Identify New World Screwworm

Early detection and rapid response are critical to controlling the spread of New World Screwworm, a blowfly pest that has re-emerged in the U.S. As the USDA leads the federal response, USGS Ecosystems Mission Area scientists are developing and validating a rapid DNA field test that can be used onsite with simple materials and basic training to support surveillance and response efforts.
Rapid Genetic Testing to Identify New World Screwworm

Rapid Genetic Testing to Identify New World Screwworm

Early detection and rapid response are critical to controlling the spread of New World Screwworm, a blowfly pest that has re-emerged in the U.S. As the USDA leads the federal response, USGS Ecosystems Mission Area scientists are developing and validating a rapid DNA field test that can be used onsite with simple materials and basic training to support surveillance and response efforts.
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USGS Northern Rocky Mountain Science Center Fiscal Year 2025 Highlights

The USGS Northern Rocky Mountain Science Center (NOROCK) proudly supports Federal, State, Tribal, and other partners by delivering high-quality data, cutting-edge science, and practical tools to support natural resource management. Below are some of NOROCK’s highlights during fiscal year 2025.
USGS Northern Rocky Mountain Science Center Fiscal Year 2025 Highlights

USGS Northern Rocky Mountain Science Center Fiscal Year 2025 Highlights

The USGS Northern Rocky Mountain Science Center (NOROCK) proudly supports Federal, State, Tribal, and other partners by delivering high-quality data, cutting-edge science, and practical tools to support natural resource management. Below are some of NOROCK’s highlights during fiscal year 2025.
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