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Important Bird and Birding Areas
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Colliers Mills Wildlife Management Area
Ocean CountyCoordinates: N 40.05523
W 74.40881
Site Map Pinelands: New England / Mid-Atlantic CoastArea: 34,580 Acres Habitat: Typical Pine Barrens habitats including mixed upland forest and shrub-scrubSite Description: This IBA includes the Colliers Mills Wildlife Management Area (WMA) and adjacent privately-owned lands. The site is characterized by expanses of pitch-pine/scrub-oak forest and scrub-shrub habitat. Atlantic white cedar (Chamaecyparis thyoides) communities are present in wetter areas. The IBA also offers an expanse of grassland habitat that is utilized by breeding grassland birds. Freshwater ponds provide habitat for wading birds and waterfowl.IBA Criteria:
| Criterion | Species |
| Conservation Concern – State-endangered (B) | Vesper Sparrow |
| Conservation Concern – State-threatened (B) | Grasshopper Sparrow, Savannah Sparrow |
| Regional Responsibility Species - BCR 30 Scrub-shrub/Barrens (B) | American Woodcock, Blue-winged Warbler, Brown Thrasher, Eastern Towhee, Eastern Wood-Pewee, Field Sparrow, Northern Bobwhite, Pine Warbler, Prairie Warbler, Whip-poor-will, Wild Turkey |
| Regional Responsibility Species - BCR 30 Mixed Upland Forest (B) | Acadian Flycatcher, American Black Duck, Baltimore Oriole, Black-and-white Warbler, Black-billed Cuckoo, Blue Jay, Broad-winged Hawk, Brown Thrasher, Carolina Chickadee, Common Grackle, Eastern Wood-Pewee, Gray Catbird, Great Crested Flycatcher, Mallard, Northern Flicker, Scarlet Tanager, Tufted Titmouse, Whip-poor-will, Wild Turkey, Wood Duck, Wood Thrush, Yellow-throated Vireo |
| Significant Congregations | |
| Significant Migrant Stopover/Flyover (SM) | Landbirds |
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| Prairie Warbler | Kevin Watson |
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Birds: Approximately 70 species regularly nest at Colliers Mills WMA, including many of the Regional Responsibility Species for scrub-shrub and mixed upland forest habitats. Other nesting birds include Eastern Phoebes, Eastern Bluebirds, Ovenbirds Blue Grosbeaks, Baltimore and Orchard Orioles, Northern Waterthrushes and Yellow-throated Vireos. Breeding grassland birds include the state-endangered Vesper Sparrow and the state-threatened Grasshopper and Savannah Sparrows. This site also provides significant habitat for a diversity of spring and fall migrants including, among others, American Bitterns, Virginia Rails, Spotted Sandpipers, Tree, Bank, Northern Rough-winged, Barn and Cliff Swallows, Prothonotary Warblers and Rose-breasted Grosbeaks.Conservation: Portions of Colliers Mills WMA are actively managed for early successional habitats including grasslands and scrub-shrub habitat. To maintain early successional habitats for species that require this habitat type, areas of the WMA are burned and mowed annually. Threats to the IBA include habitat loss and degradation caused by increased residential development on the periphery of the WMA and forest succession. Continued active management as well as restoration and protection of the adjacent privately-owned lands are recommended.Additional Information: Site Report
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| Atlantic white cedar swamp | John Parke |
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