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Reports & Publications

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Pollinators

The global declines in many kinds of pollinator species could potentially impact the global food supply, as many plants depend upon specific pollinators to reproduce. The Web site of the NBII Pollinators Project provides access to information about the biology, ecology, conservation status, and threats to native pollinators, pollinator-dependent More...

  • animation of a hummingbird pollinating a flower

Management and Research Applications of Long-Range Surveillance Radar Data for Birds, Bats, and Flying Insects

This publication is intended to provide a summary of long-range surveillance radar technology and applications of these data to questions about movement patterns of birds and other flying wildlife based on publications that provide more detailed information (Buurma, 1995; Gauthreaux and Belser, 2003a, b; Gauthreaux and others, 2003; Diehl and More...

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White-Nose Syndrome Threatens the Survival of Hibernating Bats in North America

During the winter of 2006 or 2007, an affliction of unknown origin dubbed "White-Nose Syndrome" (WNS) began devastating colonies of hibernating bats in a small area around Albany, New York. Colonies of hibernating bats were reduced 81-97 percent at the affected caves and mines that were surveyed. Since then, White-Nose Syndrome has been detected More...

  • Brown bat with white-nose syndrome (WNS)

Ecology of Virus Transmission in Commensal Bats

The dynamics of rabies transmission in bat populations that roost and live within cities is being investigated using Fort Collins, Colo., and big brown bats (Eptesicus fuscus) as the case study. USGS biologists are working on this project in collaboration with Colorado State University, the Centers for Disease Control and Prevention, and the More...

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Newly Identified Fungus Implicated in White-Nose Syndrome in Bats: Mysterious Bat Disease Decimates Colonies in the Northeast

It has been estimated that over 100,000 bats have died in the northeast due to a mysterious white fungus called White-Nose Syndrome (WNS). Scientists are finding within caves and mines a large number of bats with a white fungus on their muzzles and other parts of their bodies. It is uncertain as to how this fungus is being transmitted and its More...

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White-Nose Syndrome Mystery: Something Is Killing Our Bats

Tens of thousands of hibernating bats died this winter in the northeast, and for unknown reasons. In and around caves and mines in eastern and upstate New York, Vermont, western Massachusetts, and northwestern Connecticut, biologists found sick, dying and dead bats in unprecedented numbers. In just eight of the affected New York caves, mortality More...

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Bat Fatalities at Wind Turbines: Investigating the Causes and Consequences

This web resource links to materials related to the causes and consequences of bat fatalities. Videos of seasonal distribution and hydrogen isotope analysis are linked on the site, as well as other publications, articles and research on bat fatality.

  • Hoary bats (Lasiurus cinereus)

Bat Fatalities at Wind Turbines: Investigating the Causes and Consequences

Recent evidence shows that certain species of bats are particularly susceptible to mortality from wind turbines. Dead bats are turning up beneath wind turbines all over the world, but the mystery of why bats die at turbine sites remains unsolved. Why do bats die at turbines in such large numbers? Potential clues can be found in the patterns of More...

  • Wind energy facility in Colorado.

Bat Fatalities at Wind Turbines: Investigating the Causes and Consequences

Recent evidence shows that certain species of bats are particularly susceptible to mortality from wind turbines. Bats are beneficial consumers of harmful insect pests, and migratory species of bats cross international and interstate boundaries. Dead bats are turning up beneath wind turbines all over the world. Bat fatalities have now been More...

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Conservation Genetics Lab

The Conservation Genetics Lab carries out molecular analysis, pedigree analysis, modeling, data management, and cryogenic sample repository. As a part of this research, the lab investigates the effectiveness of molecular markers used to enhance enforcement of the Endangered Species Act policy. During the past 15 years, this research has involved More...

  • image of a frog (anura)

Bat Research in California

This site is a summary of bat research efforts by the USGS Western Ecological Research Center. From the site: "Scientists at the USGS Western Ecological Research Center are studying bats in the San Francisco Bay area and in southern California to provide land managers information they need regarding the occurrence and status of bat species." More...

  • big-eared bat

Texas Gulf Coast Field Research Station

The BFRS works cooperatively with team members from CERC and with faculty and graduate students of Department of Wildlife and Fisheries Sciences at Texas A&M University in research areas represented by the branch structure of the CERC including toxicology, ecology, biochemistry and physiology, environmental chemistry, ecogeography, and information More...

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