Harlequin Ducks at Acadia National Park and Coastal Maine 1988-91
Mittelhauser GH. 1991. Harlequin Ducks at Acadia National Park and Coastal Maine 1988-91. National Park Service. Bar Harbor, ME
FIELD WORK: December 1988 - April 1991. BIRDS: This report summarizes all field work from 1988 - 1991 on Harlequin Ducks and other waterbirds at Isle au Haut. Population estimate of Harlequins for the Isle au Haut study area for 1988-91 is estimated at 500 individuals and represents 50% of the estimated population in the western Atlantic. Slight (non-significant) declines in the Harlequin population were noted in the study area /STUDY LOCATIONS:/ /MOUNT DESERT ISLAND/ISLE AU HAUT/SCHOODIC PENINSULA/ISLANDS/Little Moose Island/The Cow Pen/Great Spoon Island/Little Spoon Island/Mason Ledge/Spirit Ledge/White Horse GIS-CATEGORY 2 ; Birds: Contains detailed maps and descriptions of the distribution of Harlequins around Isle au Haut
- Type
- Unpublished Report
- Authors
- Mittelhauser, Glen
- Date of Issue
- 1991-10
- Publisher
- National Park Service
- Units
- ACAD
- Keywords
- Distribution, Ducks, Geese, Great Spoon Island, Islands, Isle Au Haut, Little Moose Island, Little Spoon Island, Mason Ledge, Mount Desert Island, Schoodic Peninsula, Spirit Ledge, The Cow Pen, Threatened & Endangered Species, Water Birds, White Horse, Winter