Parent Layer: Rule 309.e.1 Other Consultation Habitats

Name: Bald Eagle Roost Site - 2026

Display Field: Activity_Code

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: BaldEagleRoostSite is an ESRI SDE Feature Class showing roost sites and communal roost sites for Bald Eagle (Haliaeetus leucocephalus) in Colorado. Roost sites are defined as a 0.25 mile buffer zone around groups of or individual trees that provide diurnal and/or nocturnal perches for less than 15 wintering bald eagles in Colorado; these trees are usually the tallest available trees in the wintering area and are primarily located in riparian habitats. For SB181 this feature class is buffered an additional 0.25 miles to meet the defined 0.5 mile buffer.Communal Roost Sites are defined as groups of or individual trees that provide diurnal and/or nocturnal perches for more than 15 wintering bald eagles; these trees are usually the tallest available trees in the wintering area. For SB181 this feature class is buffered 0.5 miles. This information was derived from field personnel. A variety of data capture techniques were used including drawing on mylar overlays at 1:50,000 scale USGS county mapsheets and implementation of the SmartBoard Interactive Whiteboard using stand-up, real-time digitizing at various scales (Cowardin, M., M. Flenner. March 2003. Maximizing Mapping Resources. GeoWorld 16(3):32-35).

Service Item Id: 33f6e8a30d0f459f8567f1ef9f2bf3a2

Copyright Text: Colorado Parks and Wildlife Biologists, District Wildlife Managers, and Researchers.

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YMin: 4099054.396400001
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Spatial Reference: 26913  (26913)  LatestVCSWkid(0)

Drawing Info:

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID_1 )
• Activity_Code ( type: esriFieldTypeString, alias: Activity_Code, length: 10 )
• UpdateComments ( type: esriFieldTypeString, alias: UpdateComments, length: 250 )
• BufferDistance ( type: esriFieldTypeString, alias: BufferDistance, length: 50 )
• Species_Activity ( type: esriFieldTypeString, alias: Species_Activity, length: 80 )
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