Explains purpose, other methods, instructions, light source, and criteria for age-determination. Includes chart.

Provides list of and links to papers presented at 1988 symposium.

Extension bulletin for public and private managers describes location factors, construction guidelines, island types, and required permits.

Report offers breeding areas, status of population, waterfowl adaptations, habitat changes, and predation management information.

Presents abstract, background, discussions and conclusions. By Fred Johnson, et.al.

Report looks at sources and diagnosis of lead poisoning, susceptibility, mortality, and reducing lead toxicosis. Includes abstract, introduction, and downloadable .zip file.

Brief report addresses background, preliminary results and implications of two-year study between 1998 and 2000.