Patuxent Wildlife Research Center


Patuxent Wildlife Research Center (PWRC) produces innovative science to support natural resource management and meet our nation’s most pressing conservation challenges.
PWRC research topics include bird population dynamics, ecotoxicology, and the development of quantitative & decision analysis tools. We conduct several national programs, including the Bird Banding Lab and the Breeding Bird Survey.

Research Spotlight

Research Spotlight

USGS Patuxent scientists are providing managers with tools for improving detection and for proactively mitigating the impacts of amphibian diseases.

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Publication Spotlight

Publication Spotlight

A decision-support framework was developed in collaboration with USFWS to identify approaches to maximize salt marsh management benefits at Bombay Hook National Wildlife Refuge.

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Date published: March 30, 2021

Low Risk of Researchers Passing Coronavirus to North American Bats

The risk is low that scientists could pass coronavirus to North American bats during winter research, according to a new study led by the U.S. Geological Survey. 

Date published: March 11, 2021

Announcing the USGS Eastern Ecological Science Center

The U.S. Geological Survey recently announced completion of the merger between the Patuxent Wildlife Research Center (PWRC) and Leetown Science Center (LSC). The combined center’s name is the USGS Eastern Ecological Science Center (EESC).

Date published: March 8, 2021

A Whale by Any Other Name

A new paper from the USGS and Smithsonian National Museum of Natural History documents some of the first scientific descriptions and names given to what are today known as the sperm whale and false killer whale.


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Year Published: 2021

A new addition to the embalmed fauna of ancient Egypt: Güldenstaedt’s White-toothed Shrew, Crocidura gueldenstaedtii (Pallas, 1811) (Mammalia: Eulipotyphla: Soricidae)

The Falcon Necropolis at Quesna in the Nile Delta of Egypt is considered to have been founded by the priest Djedhor, the Saviour, of Athribis (Tell Atrib in modern Benha) at the beginning of the Ptolemaic Period. Recent excavations here have revealed abundant avian remains from mummies dedicated to the ancient Egyptian god Horus Khenty-Khety....

Woodman, Neal; Ikram, Salima; Rowland, Joanne

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Year Published: 2021

Estimation of annual indexes of abundance and trend from the American Woodcock singing-ground survey: Comparison of 4 models

Status and trends of American Woodcock Scolopax minor populations in the eastern and central US and Canada are monitored via a Singing-ground Survey , conducted just after sunset along roadsides in spring.  Annual analyses of the survey produce estimates of trend and annual indexes of abundance for 25 states and provinces, eastern and central...

Sauer, John R.; Link, William; Seamans, Mark E; Rau, Rebecca D.

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Year Published: 2021

U.S. Geological Survey migratory bird science, 2020–21

Bird conservation as an endeavor engages a broad range of partners and a coordinated effort across State and Federal agencies, nongovernment organizations, universi­ties and, at times, international partnerships. To understand information needs and respond to the many challenges in bird conservation, U.S. Geological Survey (USGS) scien­tists...

Pearse, Aaron T.; Sherfy, Mark H.; Wimer, Mark; Khalil, Mona; Wiltermuth, Mark
Pearse, A.T., Sherfy, M.H., Wimer, M., Khalil, M., and Wiltermuth, M.T., 2021, U.S. Geological Survey migratory bird science, 2020–21: U.S. Geological Survey Circular 1480, 131 p.,