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Sea Duck Joint Venture

Atlantic and Great Lakes Sea Duck Migration Study

    

Project Description
More than half of North American sea duck populations have apparently declined over the past 2-3 decades, although reasons for declines are unknown.  Population delineation (i.e., the links among breeding, molting, wintering, and staging areas) is critical information needed to design and interpret  monitoring surveys, to better understand population ecology and population dynamics, and determine limiting factors and potential strategies to improve conservation status of sea ducks.   Sea ducks are one of the primary wildlife species utilizing coastal habitats in the Atlantic during winter and may serve as good barometers of the health of marine environments.

Extensive satellite telemetry studies have been done on several sea duck species on the Pacific coast, but relatively little is known about population delineation for sea ducks in eastern North America, most notably for surf scoter, black scoter, white-winged scoter, and long-tailed duck – all of which are species of conservation concern.  There is also an immediate need to identify the most important habitats and patterns of use for sea ducks prior to placement of turbines to minimize potential adverse effects on sea ducks and their habitats. 

This project is a large-scale, multi-year, multi-partner satellite tracking program for sea ducks along the Atlantic coast and Great Lakes, with the following primary objectives: 

  • Fully describe the annual migration patterns for four species of sea ducks (surf scoter, black scoter, white-winged scoter, long-tailed duck) in the Atlantic flyway and Great Lakes by 2014.
  • Map local movements and estimate length-of-stay during winter for individual radio-marked ducks in areas proposed for placement of wind turbines (e.g., Maine-Penobscot Bay, Nantucket Sound, and coastal Rhode Island).
  • Identify near-shore and offshore habitats of high significance to sea ducks to help inform habitat conservation efforts.
  • Estimate rates of annual site fidelity to wintering areas, breeding areas, and molting areas for all four focal species in the Atlantic flyway.

More than 250 satellite transmitters will be deployed in sea ducks from 2009-2013.  The project is funded in part by the Sea Duck Joint Venture and in part by various partners.

Progress Report February 2014 (pdf)

BIRD MIGRATION MAPS
   Long-tailed Duck
        Wildlife Tracking
   Black Scoter
        Wildlife Tracking
   Surf Scoter
        Wildlife Tracking
   White-winged Scoter
        Wildlife Tracking

General Study Information (pdf)

Sea Ducks and Offshore Wind (pdf)

PHOTO GALLERY

INFORMATION FOR STUDY PARTNERS

Protocols for collecting tissue samples

 

Current partners
(click logo to view partners homepage)

FWS logo BSC Logo Ducks Unlimited logo
Rhode Island Dept. Environmental Management Logo
New Brunswick Deparment of Environmental Management Logo
Massachussetts Audubon Logo

Biodiversity Research Logo
MD DNR
va