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Research Activities

Patuxent Wildlife Research Center scientists are currently conducting research on a wide variety of scientific topics. To view and search Patuxent's projects and other work by USGS staff, click on the following link: Research Topics.

Long-Term Programs

Breeding Bird SurveyBreeding Bird Survey – Monitoring the status of breeding bird populations in the United States and Canada, in partnership with the Canadian Wildlife Service: data, analyses, analytical software, information for participants

Museum CollectionsMuseum Collections – Acquisition and curation of scientific reference specimens (in partnership with the Smithsonian Institution)

North American Amphibian Monitoring ProgramNorth American Amphibian Monitoring Program - a collaborative effort among regional partners and the USGS to monitor populations of vocal amphibians using a calling survey technique

Northeast Amphibian Research and Monitoring Initiative (ARMI)Northeast Amphibian Research and Monitoring Initiative - intensive, long-term monitoring and related research on pond-breeding and stream-breeding amphibians on Department of Interior lands throughout the northeastern United States

Resources and References

Amphibian Research and Monitoring Initiative (ARMI) National Atlas of Amphibian DistributionsARMI National Atlas of Amphibian Distributions - county-based distribution maps of all amphibians known to occur in the United States; supported by the Amphibian Research and Monitoring Initiative (ARMI)

National Biological Information Infrastructure (NBII) Bird Conservation Node Mapping ApplicationNational Biological Information Infrastructure (NBII) Bird Conservation Node Mapping Application – an interactive tool for creating customized distribution and abundance maps at your scale of choice from various on-line bird databases

Patuxent?s Plant List and Herbarium CollectionPatuxent’s Plant List and Herbarium Collection

Bird Population Databases - point counts, colonial waterbirds, morePopulation Databases – Audubon Christmas Bird Count Analysis 1959-1988, Avian Point Counts, Breeding Bird Census, Breeding Bird Survey, Colonial Waterbirds, Grassland Bird Home Page, Maryland Breeding Bird Atlas (some features of these databases are password-protected)

Snake Species of the WorldSnake Species of the World – A Taxonomic and Geographical Reference

Standard Methods for Measuring BiodiversityStandard Methods for Measuring Biodiversity – a series of manuals presenting inventory and monitoring methods for various animal and plant taxa

Tadpoles of the United States and Canada: A Tutorial and KeyTadpoles of the United States and Canada: A Tutorial and Key - A key for the tadpoles of the United States and Canada features a different format and approach to identifying frog larvae

Special Interest

Obsolete English Names of North American Birds and their Modern EquivalentsObsolete English Names of North American Birds and their Modern Equivalents


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