The Ecology and Distribution of the Harlequin Duck (Histrionicus histrionicus) Wintering off Isle au Haut, Maine
Mittelhauser GH. 1989. The Ecology and Distribution of the Harlequin Duck (Histrionicus histrionicus) Wintering off Isle au Haut, Maine
FIELD WORK: Winter 1988-89. BIRDS: Summarizes the numbers of Harlequin Ducks (and other seabird species) observed during surveys of the south shore of Isle au Haut and on islands and ledges to the east. Roughly 350 Harlequins were found to winter in the study area /STUDY LOCATIONS:/ /ISLE AU HAUT/ISLANDS/Great Spoon Island/Little Spoon Island/White Horse/Black Horse/Marshall Island GIS-CATEGORY 2 ; Birds: Maps locations where each species of water bird was seen. Also contains a map of the important feeding locations for Harlequins
- Type
- Unpublished Report
- Authors
- Mittelhauser, Glen
- Date of Issue
- 1989-05
- Units
- ACAD
- Keywords
- & swans (Anatidae), Birds (Aves), Black Horse, Checklist, Distribution, Ducks, Ecology, Geese, Great Spoon Island, Harlequin Duck (Histrionicus histrionicus), Inventory (Baseline), Islands, Isle Au Haut, Little Spoon Island, Marshall Island, Population Density, Rare Species, Threatened & Endangered Species, Water Birds, White Horse