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NORTH SHORE WILDLIFE SANCTUARY INC

MILL NECK, NY · EIN 116036699 · Form 990 · FY2024 · NTEE D340 · Animal-Related · Small ($100K-$1M) · nswildlifesanctuary.org
revenue
$696K
expenses
$240K
net assets
$5.2M
employees
1
program ratio
91%
mission · from form 990

MAINTENANCE OF A REFUGE FOR WILDLIFE

profile · synthesized from sources

North Shore Wildlife Sanctuary Inc. is a conservation organization founded in 1929 and re-established in 1963 to protect native wildlife and natural habitats in Nassau County, New York. It owns and manages 13 preserves totaling nearly 275 acres, including forests, wetlands, meadows, and salt marshes, primarily in the Mill Neck and Lattingtown areas. The sanctuary focuses on habitat preservation, species protection, and environmental education, with properties used for scientific observation and public visitation under strict guidelines.

named programs · 5 · from sources

What they call their work

Allsopp-Fisher Salt Marsh
Salt marsh habitat supporting Long-billed Marsh Wrens, Diamondback Terrapins, and Mute Swans; not open to public
Coffin Woods Preserve
Mature oak/beech/tulip tree woodland with a small pond and diverse wildlife including box turtles and wood thrushes; allows leashed dogs and public access
Dosoris Pond Preserve
56-acre tidal salt pond providing winter habitat for Canvasbacks, Greater Scaup, and rare gulls; not open to public
Osprey Nest Preserve
Small preserve with osprey nesting platform; supported the rearing of 33 young ospreys since 1984; not open to public
Shu Swamp Preserve
Wooded wetland preserve with diverse flora and fauna, including Brook trout, American Brook Lamprey, and spring ephemerals; open to public with educational access
activities · 4 groups

What they do

  • Land Acquisition and Conservation Easements 2 activities
    • Accept land and conservation-focused estate gifts
      Accepts donations of land, retaining them in perpetuity in their natural state without selling or trading, and accepts estate planning gifts to support endowment and stewardship objectives. Received 73 acres of woodland through bequest from Alice Coffin in 1963 for use as a wildlife sanctuary.
    • Maintain and manage wildlife preserves
      Owns and manages 13 properties, including 11 wildlife preserves in the Mill Neck and Lattingtown areas of Long Island, acquired since 1963 through community donations of land and capital. These include diverse habitats such as wet woodlands, salt marshes, open meadows, and mature forests, which are preserved in their natural state for scientific, educational, and aesthetic purposes.
  • Nature Preserve Management and Public Access 1 activity
    • Provide public access to nature preserves
      Operates two publicly accessible preserves—Shu Swamp and Coffin Woods—with daily access from dawn to dusk, closed on Fridays; nine other preserves require appointment with the Warden for entry. Maintains hiking trails through oak, hickory, hemlock, and beech forests for public use and nature observation.
  • Wildlife Monitoring and Field Research 1 activity
    • Publish ecological documentation and species inventories
      Makes available downloadable plant lists documenting species found in Shu Swamp and maintains a documented plant species list for Coffin Woods preserve, supporting scientific and educational use of the sanctuaries.
  • Artificial Nesting Habitat Management 1 activity
    • Support native species and wildlife habitat restoration
      Manages ecosystems to support native plant and animal species, including reintroducing ospreys via a nesting pole installed in 1984, resulting in the rearing of 33 young birds; supports populations of rare species such as American Brook Lamprey, tri-colored bats, Strawberry Bush (Euonymus americanus), and provides roosting and foraging habitat for birds including ospreys, bald eagles, herons, egrets, kingfishers, and waterfowl.
financials · form 990 · fy2024
revenue
Total revenue$696K
Contributions & grants$62K9%
Program service revenue$00%
Investment income$626K90%
Other revenue$7K
expenses
Total expenses$240K
Program expenses91%
Admin / overhead9%
Fundraising0%
Salaries & benefits$90K
Grants paid out$0
Largest expense lineCompensation
balance sheet
Total assets$5.22M
Cash$750K
Investments$3.73M
Liabilities$0
Net assets$5.22M
Liquid reserves224.4 mo
6 years on record · 2019–2024 · YoY revenue +147.8%
relationships · 13

Who they work with

  • Al and Lois Lindberg Partner — Naturalists residing at Blue Heron Lodge who assisted in the rescue of a Great Horned Owl fledgling.
  • Brendan Tully Government — Warden responsible for managing access to North Shore Wildlife Sanctuary preserves.
  • Brendan Tully Government — Warden responsible for managing access to Pennoyer Woods Preserve.
  • Cherrywood neighborhood Partner — Located adjacent to the preserve, indicating a geographic and potentially collaborative relationship with the community.
  • DeGraff Causeway Government — Geographic reference point for the location of the Allsopp-Fisher tract.
  • Dr. J. Scott Altenbach Partner — Provided photographic documentation of tri-colored bats used for public education and monitoring.
  • Humes and Wagner Partner — Local law firm that assisted in forming the North Shore Bird and Game Sanctuary in 1963.
  • Joseph Dey Partner — Individual who monitored osprey pair and contributed to nesting oversight.
  • Locust Valley Intermediate School Partner — Engages students from the 4K class in experiential learning visits to Shu Swamp.
  • Pennoyer Woods Partner — Provides access point to the sanctuary grounds via shared trail connection.
  • Portledge School Partner — Adjacent landowner that inherited the mansion and outbuildings from Alice Coffin's estate while North Shore Wildlife Sanctuary received the woodland.
  • Warden Partner — Collaborates with the Warden to manage access and operations at the Powell Pond preserve.
  • Warden Partner — Local warden responsible for managing access to the Raikes Preserve.
strategies · 5

How they approach the work

Named approaches extracted from this org’s sources. Where others share an approach, follow it to see the full set of orgs running it.