The Important Bird Areas of Florida - National Audubon Society

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The Important Bird Areas of Florida: 2000–2002 – Pranty – 2-Jul-02 224several historically significant buildings, including Charles Deering's “Stone House” built in 1922.The Richmond House (1896) and the Richmond Cottage (1900) are two of the few examples of earlyframe vernacular architecture remaining in southern Florida. Human remains from the Estate dateback 10,000 years to the Paleo-Indians; Tequesta Indians occupied the site later, from 2000 YBP tothe late 1700s. Matheson Hammock Park ____.THREATS: Bird Key: [none?]. Bill Baggs–Cape Florida State Park: *proposed development (sportsfield), human disturbance, exotic plants, runoff. Biscayne National Park: *offsite development,human disturbance, runoff. The Deering Estate at Cutler: [none?]. Matheson Hammock Park:human disturbance.CONSERVATION ISSUES: Bird Key: The landowner has permitted the Florida Fish and WildlifeConservation Commission to close the island to the public to protect the rookery. Bill Baggs–CapeFlorida State Park: Since Hurricane Andrew destroyed the State Park's predominantly exoticvegetation in August 1992, staff have been replanting with native species, which probably willincrease its value to birds. Many areas still require work, and the vegetation needs to mature. • Exoticvegetation is controlled as needed by park staff and volunteers. • There is an ongoing local effort todevelop a sports field within the park, a plan that is opposed by the State and Audubon. BiscayneNational Park: [mention the plan to covert Homestead Air Force Base into a commercial airport!].The Deering Estate at Cutler ____. Matheson Hammock Park ____.NOMINATED BY: Bird Key: Harry Kelton (Pelican Harbor Seabird Station, Inc.), Bill Baggs–CapeFlorida State Park: Elizabeth Golden (Florida Division of Recreation and Parks), BiscayneNational Park, The Deering Estate at Cutler, and Matheson Hammock Park: Mark Kraus andBill Pranty (Audubon of Florida)WEBSITES: ,,
The Important Bird Areas of Florida: 2000–2002 – Pranty – 2-Jul-02 225CORKSCREW SWAMP WATERSHEDCorkscrew Swamp Sanctuary (10,895 acres; 4358 ha), Corkscrew Regional Ecosystem WatershedCARL–FF Project (61,568 acres [24,627 ha], including 21,493 acres [8597 ha] acquired as CREWWildlife and Environmental Area), and Stairstep Mitigation Area (____ acres; ____ ha)Collier and Lee counties72,463 acres (28,985 ha), with 32,388 acres (12,955 ha] acquiredLOCATION: in southeastern Lee County and northwestern Collier County, from County Road 850 southin a narrow band through Camp Keatis Swamp west of State Road 29 to Florida Panther NationalWildlife Refuge. Contiguous with the Big Cypress Swamp Watershed IBA to the south.DESCRIPTION: Corkscrew Swamp Sanctuary is one of the most significant natural areas in Florida,containing the largest virgin cypress swamp remaining in North America. The Corkscrew RegionalEcosystem Watershed Project was designed to further protect the Sanctuary by purchasingsurrounding habitats, including a direct link to conservation areas to the south. The StairstepMitigation Area protects additional wetlands north of the Sanctuary. Corkscrew Swamp receives100,000 recreationists annually and contains an environmental education center for about 6000schoolchildren each year. The CREW Wildlife and Environmental Area receives____ recreationistsand ____ hunters annually.OWNERSHIP: National Audubon Society (Corkscrew Swamp Sanctuary), South Florida WaterManagement District (acquired acreage of the Corkscrew Regional Ecosystem Watershed CARL–FFProject), and private owners (remaining acreage of the Corkscrew Regional Ecosystem WatershedCARL–FF Project) – what about Stairstep Mitigation Area?HABITATS: *slash pine flatwoods, *cypress swamp, *sawgrass marsh, temperate hammock, agriculturalfields, freshwater marsh, lacustrine, artificialLAND USE: Corkscrew Swamp Sanctuary: *conservation, environmental education. CorkscrewRegional Ecosystem Watershed CARL–FF Project: *conservation, recreation, hunting, grazing.Stairstep Mitigation Area: *conservation.IBA CATEGORIES: significant populations of Endangered and FRCREPA species; significant numbers ofwading birds; significant natural habitats; and long-term researchAVIAN DATA: Corkscrew Swamp Sanctuary contains what often is the nation's largest Wood Storkrookery, although nesting success (which is dependent on local water levels) is extremely variable.The colony has been monitored annually since 1958. The Sanctuary also supports a diversity ofNeotropical migrants, and large numbers of wintering landbirds. Corkscrew Swamp Sanctuary andthe Stairstep Mitigation Area contain the third- and fourth-largest Swallow-tailed Kite roosts in theUnited States. Bird diversity of Corkscrew Swamp Sanctuary is 218 native species; neither of theother sites within the IBA is known to contain additional species.Corkscrew Swamp Sanctuary:SPECIES DATES NUMBERS COMMENTSWood Stork 1997–2001 seasons mean of 478 nests (range of 0– mean of 8%, range of 0–1721)31% (B)Swallow-tailed Kite 25 Jul 198927 Jul 1996Jul 2000344 birds348 birds20% (N)>20% (N)6% (N)Long-term research since 1958 Wood Stork monitoringOverall diversity undated list 218 natives4 exotics
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MemorandumBill Pranty, Florida IBA
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The Important Bird Areas of Florida
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THE IMPORTANTBIRD AREAS OFFLORIDA:
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