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Chandler S. Robbins

USGS Patuxent Wildlife Research Center
11410 American Holly Drive
Laurel, MD 20708-4015

Photo of Chandler S. Robbins

Telephone: 301-497-5641

Fax: 301-497-5545


Retired on December 30, 2005;
Scientist Emeritus

Primary Responsibilities: 
Designing and conducting research on problems relating to the population ecology and conservation of migratory birds.           


 A.B., Harvard College (1940)

 M.S., George Washington University (1950)

 Sc.D. (Hon.), University of Maryland (1995) 

Areas of Expertise/Interest: Monitoring of bird populations; census methods; avian habitat requirements; effects of habitat fragmentation; landscape ecology

Developed North American Breeding Bird Survey, 1966

Distinguished Service Award (U.S. Dept. of the Interior), 1987

Elliott Coues Award (American Ornithologists’ Union), 1997

Audubon Medal (National Audubon Society), 2000

Promoted to Senior Research Scientist, 2002

Completed 60 years service as a Patuxent scientist, 2005

Lifetime Achievement Award, Partners in Flight, 2005

Scroll of Honor, U.S. Geological Survey, 2005

Lifetime Achievement Award, The Wildlife Society, Maryland/Delaware Chapter, 2006

Active Projects: 

Evaluation of Breeding Bird Atlas Protocol

50-year changes in breeding bird populations

Tropical forest conservation plan (Cerro San Gil Ecological Reserve, Guatemala)

Population dynamics of the Black-footed and Laysan Albatrosses

Demographic Modeling of North Pacific Albatross Populations

Selected Publications/Products: 

Efford, M. G., D. K. Dawson, and C. S. Robbins.  2004.  DENSITY: software for analyzing capture-recapture data from passive detector arrays.  Animal Diversity and Conservation 27(1):275-228.

Dawson, D.K., C.S. Robbins, and L.J. Darr.  2001.  Effects of urbanization on the distribution of area-sensitive forest birds in Prince George's County, Maryland.  Pages 207-213 in G.D. Therres, ed. Conservation of Biological Diversity: A Key to the Restoration of the Chesapeake Bay Ecosystem and Beyond.  Maryland Department of Natural Resources, Annapolis, MD. 

Robbins, C. S., Senior Editor. 1996. Atlas of the breeding birds of Maryland and the District of Columbia. Univ. of Pittsburgh Press. 479 pp. 

Robbins, C. S., D. K. Dawson, and B. A. Dowell. 1995. Changing land use: Problems and opportunities. Pages 1-14 in M. H. Wilson and S. A. Sader, Conservation of neotropical migratory birds in Mexico. Misc. Pub. 727, Maine Agricultural and Forest Experiment Station, Orono. 288 pp.  

Robbins, C. S., B. A. Dowell, D. K. Dawson, J. A. Colón, R. Estrada, A. Sutton, R. Sutton, and D. Weyer. 1992.  Comparison of neotropical migrant landbird populations wintering in tropical forest, isolated forest fragments, and agricultural habitats. Pages 207-220 in John M. Hagan III and David W. Johnston, editors. Ecology and Conservation of Neotropical Migrant Landbirds. Smithsonian Institution Press, Washington, D.C. xiii, 609 pp. 

Robbins, C. S., J. R. Sauer, R. S. Greenberg, and S. Droege. 1989. Population declines in North American birds that migrate to the neotropics. Proceedings of the National Academy of Sciences 86(19):7658-7662. 

Robbins, C. S., D. K. Dawson, and B. A. Dowell. 1989. Habitat area requirements of breeding forest birds of the Middle Atlantic States. Wildlife Monographs 103. The Wildlife Society, Bethesda, MD. 34 pp.

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