Bat Conservation International

American Bird Conservancy

Marshall, VA

American Bird Conservancy funds bird conservation and habitat protection across the Americas, including work by conservation groups, research and educational institutions, and businesses. In 2024, it made 64 grants ranging from $5,470 to $487,850, with a median grant of $29,370. The profile does not state whether it accepts unsolicited requests.

Westport Fund

Washington, DC

Westport Fund supports a varied range of educational, health, humanitarian, and youth organizations, with 2025 grants of $500 to $30,000 and a median of $2,000. Its grants went to organizations in multiple states, especially New York and Massachusetts, but no formal geographic focus is stated. It gives only to preselected charities and does not accept unsolicited requests.

Bobolink Foundation

Chicago, IL

Bobolink Foundation funds biodiversity conservation, including protecting natural areas, coastal and community-based conservation, education, and wildlife and landscapes in the Americas. Its 2024 grants ranged from $5,000 to $7 million, with a median of $30,000, and went primarily to organizations in Virginia, Texas, Illinois, Maryland, and Georgia, as well as conservation work across the Americas. It does not accept unsolicited requests and funds only preselected organizations.

The Nature Conservancy

Arlington, VA

The Nature Conservancy funds conservation activities, including land and water protection, climate resilience, and conservation partnerships, with grants reaching organizations and projects in many locations worldwide. Its 2025 grants had a median of about $31,000, while its New York Climate Resilience program offered grants of up to $50,000 for acquisition and $25,000 for planning and capacity; the profile does not state whether it accepts unsolicited requests.

The Biophilia Foundation Inc

Chester, MD

The Biophilia Foundation funds biodiversity conservation on private lands, habitat protection and restoration, and related conservation work, with particular interest in the arid Southwest and Chesapeake Bay. First-time grants are generally $5,000–$25,000, though some program and partner grants are larger; it focuses on the United States and selected areas of northern Mexico. It does not accept unsolicited requests for general grants, though it sometimes issues requests for proposals.

The Virginia Wellington Cabot Foundation

Boston, MA

The Virginia Wellington Cabot Foundation funds education, conservation, culture and humanities, health and human services, and social justice, with 2024 grants concentrated in Massachusetts, California, Maine, New York, and Washington, DC. Its 108 grants ranged from $400 to $133,151, with a median of $15,000. It does not accept unsolicited requests; applications are by invitation and must be sponsored by a family member.

Carroll Petrie Foundation

Santa Fe, NM

The Carroll Petrie Foundation funds animal welfare and humane treatment, wildlife protection, habitat conservation, and related environmental work, with a focus on New Mexico and the Southwest. Its 2024 grants ranged from $2,000 to $3,862,500, with a median of $50,000. It funds preselected organizations by invitation only and does not accept unsolicited requests.

Dani and Michal Bar-David Family Foundat

Cresskill, NJ

The Rose and David Dortort Foundation

Los Angeles, CA

The Rose and David Dortort Foundation supports organizations in areas including environment, animal welfare, health, arts, education, religion, and civic engagement, with most 2025 grant dollars going to California. Its 35 grants ranged from $5,000 to $45,000, with a median of $10,000; the profile does not state whether it accepts unsolicited requests.

Seebe Frances Tuw

Saint Louis, MO

SEEBE FRANCES TUW funds charitable organizations working in health, wildlife conservation, habitat restoration, and animal welfare, with 2026 grants ranging from $4,000 to $27,000 and a median of $7,000. It supports organizations in multiple states, with the largest shares going to Georgia and California. The foundation funds only preselected organizations and does not accept unsolicited requests.

Miramar Charitable Foundation

Ft Mitchell, KY

Miramar Charitable Foundation funds preselected charitable organizations across areas including arts, survivor support, education, science, and journalism, with grants to recipients in multiple states; in 2024, the largest shares went to Colorado, North Carolina, California, New York, and Florida. Its 2024 grants ranged from $250 to $1 million, with a median of $2,000. It does not accept unsolicited requests.

Communities Foundation of Texas Inc

Dallas, TX

Communities Foundation of Texas funds charitable work in health, wealth, living, and learning, with much of its grantmaking supporting North Texas nonprofits; its 2025 grants had a median of $18,779, though award sizes varied widely. Nearly all opportunities are by invitation, and its Nonprofit Gateway profile is not a grant application.