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Peregrine Falcon Eyre IBA Complex
Location:Statewide
Bird Conservation Region: BCR 13 & 14
Size: Variable
Latitude:
Longitude:
IBA Criteria:
- Vermont Endangered and Threatened Species (Criteria 1)
- Long-term research and monitoring (Criteria 5)
Land Ownership: Federal, State, Municipal, and Private
Habitats:Cliff, rocky outcrop and talus
Land Use: Recreation and research
Threats: Human disturbance, environmental contamination, loss of habitat
Site Description
Present and historic Peregrine Falcon eyres are located throughout the state and in all of Vermont's biophysical regions. Included in this IBA are sites with both present and recent occupation (25) and 5 sites of historical occupation that contained appropriate structure for future nesting attempts. All sites include steep, rocky cliffs with horizontal ledges. Vermont Natural Community Types include Boreal Acidic, Boreal Calcareous, Temperate Acidic and Temperate Calcareous cliffs.
Birds
This IBA Complex was designated for a single species, the state endangered Peregrine Falcon. As with other the other three IBA complexes, the IBA Technical Committee decided to include all known falcon site within this complex. Other species using the cliff sites include Common Raven and Turkey Vulture.
Conservation
This species, which was extripated in Vermont in the 1950's, primarily because of the pesticide DDT, has made a successful comeback since it was reintroduced in Vermont the early 1980's. Currently there are more than 25 nesting or territorial pairs with most prominent threat being human disturbance at or around eyre sites. Monitoring and protection efforts are ongoing. Peregrine Falcons recently been proposed for downlisting to state threatened.
Peregrine Falcon Eyre IBA Complex
| Arrowhead Mountain, Milton | Bald Mountain, West Haven |
| Barnet Mountain, Barnet | Bird Mountain, Ira |
| Bolton Notch, Bolton | Bristol Cliffs, Bristol |
| Brousseau Mountain, Avril | Crystal Lake, Barton |
| Dear Leap, Bristol | Elephant Mountain, Bristol |
| Fairlee Palisades, Fairlee | Hawks Mountain, Baltimore |
| Haystack Mountain, Pawlet | Jobs Mountain, Westmore |
| Marshfield Mountain, Marshfield | Mount Horrid, Rochester/Goshen |
| Mount Pisgah, Westmore | Nebraska Notch, Underhill |
| Nichols Ledge, Woodbury | Pond Mountain, Wells |
| Rattlesnake Point, Salisbury | Red Rock, Hinesburg |
| Ryegate Quarry, Ryegate | Sawyer Mountain, Fairlee |
| Smugglers Notch, Cambridge | Skitchewaug Mountain, Springfield |
| Snake Mountain, Addison | Stimson Hill, Bolton |
| Stockbridge Mountain, Stockbridge | Wallace Ledge, Castleton |
| Hazen's Notch, Westfield | White Rocks, Walingford |
| Eagle Ledge, Worcester | Benson Ledge, Benson |
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