San Francisco, CA

ENDANGERED SPECIES INTERNATIONAL

EIN 30-0358349

Environment & Animal Welfare Wildlife & Habitat Conservation

Mission

Endangered Species International is strongly committed to reversing the trend of human-induced species extinction, saving endangered animals, and preserving wild places.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

Claim this page Visit www.endangeredspeciesinternational.org

About ENDANGERED SPECIES INTERNATIONAL

Endangered Species International (ESI) is a U.S.-based 501(c)(3) nonprofit headquartered in San Francisco that implements field-led conservation projects worldwide to protect threatened species and restore critical habitats. ESI focuses on rainforest and mangrove restoration, coral-reef recovery, anti-poaching and anti-trafficking interventions, and community-based conservation that emphasizes measurable, on-the-ground outcomes and local capacity building. The organization’s website shows active program updates through 2024–2026 (examples include campaigns and updates posted in October 2025, December 2025 and March 2026), indicating ongoing field operations and public outreach.

Notable achievements

GuideStar Platinum participation

Achieved GuideStar (now Candid) Platinum participation level, demonstrating a high degree of transparency in organizational reporting and program disclosure.

Top-Rated donor reviews

Received multiple Top-Rated awards from donor-review platforms (GreatNonprofits) recognizing sustained impact and positive supporter feedback across years of activity.

Sustained field restoration and protection

Operates long-running rainforest and mangrove restoration, coral transplant and reef recovery projects, and anti-poaching/anti-trafficking interventions that the organization reports have improved local biodiversity and strengthened community stewardship.

At a glance

Total assets: $630K
Annual revenue: $204K
Tax status: 501(c)(3)Public charity
EIN: 30-0358349
Location: San Francisco, CA
Website: www.endangeredspeciesinternational.org
On Mahalo since: April 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Approved 1% for the Planet environmental partner (eligible to receive 1% member company contributions).

GuideStar Platinum participation (highest-level transparency badge).

Rated as a top charity by independent evaluators and donor-review sites (site displays 'Top-rated nonprofit' language and external ratings appear on major charity directories).

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