Founded the Western Hemisphere Shorebird Reserve Network (WHSRN) which today protects 20 million acres of shorebird habitat and 30 million shorebirds.

Grew WHSRN to 40 sites in 7 countries.

Carried out long-term research resulting in improved regeneration of mahogany and other commercially valuable hardwood species in Belize

Collected and analyzed 30 years of data on migrant birds in coastal Massachusetts.

Documented, for the first time, long-term impacts from oil spills on wildlife to protect wading birds and their coastal habitats. Collected data on more than 350,000 landbirds through a standardized banding program, allowing analysis of stopover ecology and population trends for a wide variety of species.

Discovered sublethal impacts of pesticide poisoning on aquatic wildlife in a variety of agricultural landscapes.

Established 86,000-acre Bladen Nature Reserve in Belize, Central America. Conducted longest ongoing studies tracking heron abundance and productivity in northeast coastal United States.

Served as the sole source of at-sea data collection for National Marine Fisheries Service (Northeast region) from 1984 - 1997, working with more than 900 fishing boats from North Carolina to the Canadian border.

Provided a unique learning experience to hundreds of college students, many of whom are now accomplished researchers and professional conservationists.

Developed wetland habitat management plans in Delaware Bay, New York Harbor, Cape Cod and Boston Harbor leading to recognition and protection of significant coastal habitats.

Discovered the impacts of industrial forestry on birds through extensive study on commercial timberlands in northern Maine.

Established Manomet as a regional center for bird population techniques, sparking many cooperative studies from New England to Belize.

Developed wildlife management plans for colonies of nesting waterbirds in Delaware Bay, New York Harbor, Boston Harbor, Nantucket and Cape Cod.

Organized international symposium on Neotropical migratory bird ecology and conservation that led to Partners in Flight, the largest avian conservation effort in the Western Hemisphere.

Won the "Best Edited Book" award from The Wildlife Society in 1995 for editing and publishing 1989 symposium proceedings.

Authored the Belize Tropical Forestry Action Plan (conservation section) adopted by the government of Belize.

Provided, through Birders' Exchange, more than 1,000 pairs of binoculars and other research equipment to researchers and conservation professionals in 34 Latin American countries.

Identified, through more than 30 years of research, more than 90 new WHSRN sites in the U.S. that are critical shorebird habitats and need special conservation attention.

Conducted the first analysis of bycatch and discard data on Northeast commercial fisheries.

Led the development of the U.S. Shorebird Conservation Plan for all 50 states in collaboration with plans for waterfowl, land birds and colonial waterbirds.

Established and maintained the longest study of least tern population dynamics on the East Coast.

Trained over 800 wildlife biologists and land managers in shorebird ecology and habitat management in the U.S., Canada, Mexico and South America to strengthen local capabilities to manage and conserve wetland habitats.

Introduced thousands of regional schoolchildren to migration banding at Manomet, offering them an opportunity to tour net lanes, see migrant birds in hand or even release them.

Published the Shorebird Atlas based on 28 years of Manomet shorebird census data.

Built international network of fishery experts to develop methods for reducing bycatch and discard and helping to promote sustainability of resources.

Established "Linking Wetlands and Communities" program among WHSRN sites in Canada, U.S. and Mexico that share the same migratory birds at different times of the year.

Designed and helped implement management plans for more than 325,000 acres of tropical forest in Central America.

Developed and published "Amazing Migration of Shorebirds" education packet for schools, communities and students.

Led a wide number of state and independent fisheries sampling programs from the Mid-Atlantic region to Maine.

Established the International Shorebird Surveys (ISS) in which 800 participants have conducted more than 75,000 censuses, justifying the creation of the Western Hemisphere Shorebird Reserve Network (WHSRN).

Produced status review of California gnatcatcher that led to its listing as "threatened" under the U.S Endangered Species Act.

Developed first study, through red knot research, that revealed the strategic importance of migration staging sites to shorebird populations.

Discovered the special nature and vulnerability of shorebird migration stopover areas.

Established excellent working relationships with all sectors of the fishing industry and helped to demonstrate how fishermen and scientists working together can make a difference.

Documented patterns and major staging areas of migrating semipalmated sandpipers, forming a template for understanding different migration strategies of western versus eastern Arctic-breeding shorebirds.

Created and implemented landmark experiment, The Shifting Mosaic Model, on 100,000 acres of Maine's working forest in cooperation with forest products industry and other partners to shape the future of these lands.

Conducted research that revealed rapid population declines among some of America's most common shorebird species.

Documented the importance of the United States National Wildlife Refuge system to migratory shorebirds. Discovered how forests recover from natural disturbances to facilitate restoration of degraded habitats.

Developed shorebird management training programs for professional wildlife managers throughout the U.S.

Conducted research aimed at helping reduce harbor porpoise bycatch by sink gill nets in the Gulf of Maine.

Contributed to the development of California's Natural Community Conservation Planning (NCCP) program resulting in the protection of hundreds of thousands of acres of natural habitat between Los Angeles and San Diego.

Participated in development of four public television programs focussing on shorebird migration and related conservation issues.

Developed U.S. Atlas of Shorebird migration — fundamentals for conservationists, land managers, and naturalists.