Distribution and population status of harlequin ducks (Histrionicus histrionicus) wintering in eastern North America
Vickery PD. 1988. Distribution and population status of harlequin ducks (Histrionicus histrionicus) wintering in eastern North America. The Wilson Bulletin. 100(1):119-126
FIELD WORK: 1976, 1979, 1983, 1984. BIRDS: Summarizes some unpublished censuses of Harlequin Ducks for Isle au Haut, the Spoon islands, and the Horses. Numbers ranged from 130-240 individuals. This is the largest concentration of Harlequins in Maine. Population estimates for the western Atlantic are less than 1000 individuals /STUDY LOCATIONS:/ /ISLE AU HAUT/ISLANDS/Great Spoon Island/Little Spoon Island/White Horse/Black Horse GIS-CATEGORY 3 ; Birds: Contains Harlequin observation areas
- Type
- Journal Article
- Authors
- Vickery, Peter
- Units
- ACAD
- Keywords
- Birds (Aves), Black Horse, Distribution, Great Spoon Island, Islands, Isle Au Haut, Little Spoon Island, Population Density, Threatened & Endangered Species, Water Birds, White Horse