By Nicole Kearney
Communications Director, Biodiversity Heritage Library
Executive Overview
For nearly two decades, the Biodiversity Heritage Library (BHL) stood as an unshakeable monolith in the landscape of digital science, quietly operating as the world’s largest open-access digital library for biodiversity literature and archives. Supported primarily by the Smithsonian Institution, BHL democratized access to the historical record of life on Earth, offering millions of pages of taxonomic descriptions, field notes, and historic illustrations free of charge to researchers, educators, artists, and conservationists across the globe.
Then, the floor dropped out.
In 2025, BHL faced an existential threat: the sudden loss of the foundational institutional support it had relied upon since its inception, with zero guarantees of survival. Overnight, the digital repository of more than 64 million pages of irreplaceable scientific heritage was cast adrift. The challenge was monumental. BHL needed to completely re-engineer its organizational DNA—securing a new, independent, and globally governed future while retaining core staff, maintaining uninterrupted technical services, forging new international partnerships, and stabilizing its financial infrastructure.
This is the story of how a global community of defenders stepped up to give BHL wings. It details a high-stakes transition that saw supporters from 46 countries mobilize to raise over $113,000, the complex logistical migration of core server infrastructure from Washington, D.C., to Chicago, and the dawn of a new distributed governance model. Having successfully cheated institutional death, BHL now faces its next great frontier: transforming temporary rescue into permanent, sustainable independence through its newly launched "BHL Sustainers" monthly giving initiative.
Detailed Chronology: The Anatomy of a Crisis and Transition
The survival of the Biodiversity Heritage Library was not a matter of luck; it was the result of a meticulously managed, high-pressure, year-long operational pivot.
The Shock of 2025: Loss of Institutional Anchorage
For nearly twenty years, BHL functioned under the secure wing of the Smithsonian Institution. This partnership provided administrative stability, technical backbone, and financial anchoring. However, changing institutional landscapes and strategic shifts resulted in the sudden announcement that this foundational support would be terminated.
Without a safety net, BHL’s leadership faced a stark reality. The library was at immediate risk of shuttering, taking down decades of digitized natural history literature that cannot easily be re-scanned or replaced. Critical questions loomed: How do you decouple the world’s largest open-access biodiversity database from a major federal institution without breaking its digital arteries? How do you establish an independent legal, administrative, and technical framework while keeping the doors open to the public?
Autumn Mobilization: The #GiveBHLWings Campaign
Recognizing that bureaucratic solutions alone would not suffice, BHL leadership took the unprecedented step of launching a public fundraising appeal on October 17, 2025. Entitled #GiveBHLWings, the campaign was designed as a desperate final-stretch sprint leading up to the hard deadline of January 1, 2026—the official date of independence.
During the final seven weeks of 2025, the global scientific and conservation community responded with astonishing velocity. Donors from 46 countries contributed $51,000 during this window alone, pushing total transition fundraising past the $113,000 mark. This infusion of capital served as an operational bridge, allowing BHL to retain essential staff and keep its servers humming as legal and structural negotiations unfolded behind the scenes.
The Spring-Summer Hand-Off: Migrating 64 Million Pages
While fundraising kept the lights on, the logistical nightmare of structural migration continued well into 2026. The formal transition period officially concluded at the end of June 2026, marking the end of BHL’s direct dependency on Smithsonian administrative channels.
Yet, one massive hurdle remained: the physical and digital migration of BHL’s core technical infrastructure. In July 2026, the final major piece of the transition fell into place as BHL executed a complex, high-stakes server migration. Moving petabytes of data, historic digitizations, and core access systems away from the Smithsonian Institution to the Field Museum in Chicago required meticulous coordination among international technical teams.
Today, BHL operates on a modern, resilient, distributed partner-supported model. It has successfully shaken off the vulnerability of single-institution dependency, trading it for a robust global network of shared responsibility.
Supporting Context & Metrics: The Scale of the Triumph
To fully grasp the magnitude of BHL’s survival, one must understand the sheer scale of the digital ecosystem that was saved from the brink of deletion.
- 64,000,000+: The number of pages of biodiversity literature, field notes, and historic archives currently housed, indexed, and made freely accessible online by BHL.
- 46 Countries: The geographic breadth of the donor base that contributed to the transition fund, proving that BHL’s value is truly planetary, transcending national borders and institutional jurisdictions.
- $113,000+: The total funds raised during the transition window, driven by a combination of public micro-donations and strategic emergency contributions, processed securely through BHL’s fiscal sponsor, the Council on Library and Information Resources (CLIR).
- $51,000: The precise amount raised during the intensive seven-week
#GiveBHLWingspush leading up to the January 1, 2026 independence milestone.
These numbers represent more than simple accounting metrics; they are a quantitative measure of a cultural and scientific rescue mission. Had the community not rallied, decades of historical taxonomy—descriptions of extinct species, historic distribution maps of endangered habitats, and foundational ecological treatises—would have vanished behind paywalls or gone dark entirely.
Official Statements and Global Perspectives
The successful transition of the Biodiversity Heritage Library has been hailed by information scientists and conservationists alike as a historic victory for the open-access movement.
Nicole Kearney, BHL Communications Director, Manager of BHL Australia, and Chair of the Persistent Identifier Working Group, captured the emotional and practical weight of the journey in reflections shared with the global community:
"Last year, our community gave BHL wings. After nearly two decades of support from the Smithsonian Institution, we faced a real threat to our existence with no guarantee of survival. Staff, services, technical systems, partnerships, governance, and funding all had to be secured from scratch. Because our community rallied around BHL, staff were retained, services continued, and more than 64 million pages of biodiversity literature remain freely accessible online."
Kearney emphasizes that the survival of BHL is deeply tied to the philosophy of the global commons. In a world increasingly dominated by commercialized academic publishing and restricted data silos, BHL remains an egalitarian beacon.
"For 20 years, BHL has opened biodiversity literature to the world. It exists because of a global community committed to open access, shared infrastructure, and the belief that biodiversity knowledge should be available to everyone. Last year, that community gave BHL wings. Now we’re asking you to help us keep flying."
International partners have similarly praised the transition to a distributed, partner-supported model. By decentralizing its infrastructure—anchoring technical operations at institutions like the Field Museum while maintaining distributed global nodes—BHL has built a more democratic governance structure that is insulated against future single-point-of-failure vulnerabilities.
Future Outlook: The Dawn of the "BHL Sustainer" Era
The crisis of 2025 has passed, but the work of maintaining an independent digital library of planetary scale has only just begun. Survival was the first hurdle; sustainability is the second.
As BHL enters its post-independence era, leadership has turned its focus toward long-term financial health. Emergency fundraising campaigns saved the library from immediate collapse, but steady, predictable revenue is required to keep the servers running, retain expert staff, modernize outdated technical infrastructure, and continuously improve search discoverability for millions of global users.
Why Monthly Support Matters
Operating a digital library of this magnitude incurs constant operational costs. Software must be updated to prevent security vulnerabilities, high-resolution digitization pipelines must be maintained, and metadata must be continuously refined to connect fragmented historical collections.
To meet these recurring needs, BHL has officially launched the "BHL Sustainers" program.
Rather than relying solely on sporadic, emergency donations, the initiative encourages supporters to commit to modest, recurring monthly gifts. Much like the delicate biodiversity illustrations found within BHL’s historic collections—where diverse elements combine to form a complete, functioning ecosystem—small contributions from thousands of individual donors compound to create a rock-solid financial foundation.
- Global Accessibility: Donations can be made in more than 135 currencies, ensuring that supporters from the Global South, Europe, the Americas, and the Asia-Pacific region can contribute in a manner that aligns with their local economic realities.
- Flexible Giving Options: While monthly contributions form the backbone of the new sustainer model, BHL continues to welcome major gifts, wire transfers, bequests, and legacy endowments through its institutional pathways.
- Fiscal Transparency: All donations are securely processed through BHL’s trusted fiscal sponsor, the Council on Library and Information Resources (CLIR), with tax-deductibility provisions tailored to individual donor circumstances and countries of residence.
A Call to Action for the Global Community
The Biodiversity Heritage Library belongs to everyone who reads a field guide, tracks an endangered species, studies evolutionary biology, or finds wonder in a historic botanical plate. It is an indispensable tool for researchers decoding climate change, artists drawing inspiration from natural history prints, and educators teaching the next generation of environmental stewards.
The community proved in 2025 that it values this treasure enough to save it from extinction. Now, the challenge is to ensure that BHL does not merely survive year-to-year, but thrives for decades to come.
As Nicole Kearney aptly reminds the public:
"If BHL matters to your work, your collections, your teaching, your research, your art, your writing, or your love of the natural world, please consider becoming a monthly donor today. Every gift helps. Every month matters."
To join the movement and become a BHL Sustainer, supporters can visit the official BHL Donor Support Portal or explore alternative contribution methods via the BHL Ways to Give page. The wings have been given; now, together, the global community must ensure they never stop beating.
