Encyclopedia of Life

What Encyclopedia of Life does

Encyclopedia of Life (EOL) is a free, online collaborative encyclopedia operated as a nonprofit initiative hosted by the Smithsonian National Museum of Natural History in Washington, D.C. Founded in 2007, EOL aggregates authoritative content on the world's living species from over 1,000 institutional partners including museums, universities, citizen science projects, and scientific databases such as Wikipedia, GBIF, and iNaturalist. The platform serves scientific researchers, educators, students, citizen scientists, and the general public through open web access with no paywalls or registration requirements, organized across major taxonomic groups including animals, plants, fungi, bacteria, archaea, protists, and viruses.

EOL's core technology stack centers on a web-based species database supplemented by TraitBank, a semantic repository of ecological and biological trait data enabling structured queries across taxa. The platform integrates media collections (images, video, audio), geographic distribution data, ecological relationship visualizations (Food Webs), and the VERA ecological modeling assistant developed with Georgia Tech. Distribution occurs through direct web browsing on eol.org, an EOL community forum, bulk data download services for researchers and AI/ML practitioners, and developer API access. Multilingual content support extends reach beyond English-speaking users.

EOL does not generate commercial revenue. The platform operates on a grant-funded public-good model, sustained through institutional hosting by the Smithsonian, foundation grants, and donations. There are no pricing tiers, subscription models, or enterprise contracts; the user base is a horizontal mix of researchers, educators, students, citizen scientists, AI/ML practitioners using biodiversity datasets for model training, and general consumers of species information. Marketing and distribution are primarily organic, relying on SEO for species-name queries, scientific citations, and partner network referrals rather than paid acquisition channels.

Name

Encyclopedia of Life

Legal name

Encyclopedia of Life

Website

https://eol.org

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Encyclopedia of Life is a nonprofit, open-access digital biodiversity platform hosted by the Smithsonian National Museum of Natural History that aggregates species information from over 1,000 institutional partners for researchers, educators, students, and citizen scientists worldwide.

Ownership category

akta.pro rank

Product category

Biodiversity Knowledge Platform

NAICS

Libraries and Archives (51921)

akta.pro primary industry

Digital Archives, Libraries & Institutional Access Platforms (MPAJAMAJ)

Keywords

• Biodiversity database
• Species encyclopedia
• Ecological trait data
• Open scientific knowledge
• Biological data services

Headquarters

HQ city

Washington

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Personnel, Technology or R&D, Operations, Infrastructure

Revenue model

1. Institutional Funding: EOL operates as a nonprofit initiative hosted by the Smithsonian National Museum of Natural History, funded primarily through institutional grants, foundation support, and donations. The platform is free to all users, representing a grant-funded public good model rather than a commercial revenue-generating entity.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

EOL is a free, online collaborative encyclopedia that aggregates authoritative information on the world's known living species from more than 1,000 content partners including museums, universities, GBIF, iNaturalist, and Wikipedia. The platform provides species pages with scientific and vernacular names, media (images, videos, audio), distribution maps, ecological relationships, and structured trait data via TraitBank, and exposes its data through bulk downloads and an API for researchers and AI/ML practitioners.

Product overview

Encyclopedia of Life is a comprehensive digital biodiversity platform providing global access to knowledge about life on Earth. The platform consists of a unified species database aggregating information from hundreds of content partners, supplemented by TraitBank for structured trait data, extensive species media collections (images, videos, audio), and data services for bulk downloads. Additional features include Food Webs for ecological relationship exploration, the VERA ecological modeling assistant, an EOL Forum for community discussion, and multilingual content support. The platform organizes life forms across major taxonomic groups including Animals, Plants, Fungi, Bacteria, Archaea, Algae, Protists, and Viruses. Content is sourced from partner organizations including Wikipedia, BioPedia, iNaturalist, and GBIF, with hosting provided by the Smithsonian National Museum of Natural History.

Differentiator

Problem solved

Functional benefit

Brands

• TraitBank: A repository of biological trait data associated with EOL's species pages
• EOL Forum
• EOL Disclaimers

Products and services

• EOL Species Database A comprehensive digital encyclopedia providing global access to knowledge about life on Earth, with dynamic species pages containing scientific and vernacular names, media, articles, distribution maps, and ecological relationships for millions of species across all taxonomic groups (animals, plants, fungi, bacteria, archaea, algae, protists, viruses). Targeted at researchers, educators, students, citizen scientists, and the general public.
• TraitBank A repository of species trait data and biological attributes providing structured ecological and morphological information about organisms, enabling semantic queries across taxonomic groups using standardized trait vocabularies. Targeted at researchers and data scientists conducting comparative ecology and biodiversity analyses.
• EOL Data Services Bulk data download services providing access to EOL content (text, images, and trait records) for researchers, AI/ML practitioners, and developers needing large-scale biodiversity datasets for analysis, model training, and application integration. Delivered as downloadable datasets and an API.
• Species Media Collections Extensive, searchable collections of images, videos, and audio recordings of species sourced from contributors including iNaturalist, CalPhotos, BioPedia, and other partner content providers. Available through species pages and dedicated media browsing interfaces for researchers, educators, and the public.
• VERA Assistant An ecological models assistant developed in partnership with Georgia Tech, supporting ecological modeling and analysis by leveraging EOL species and trait data. Targeted at ecology researchers and modelers seeking to build or query ecological models on top of EOL data.

Quantifiable outcome

• Free global access to biodiversity knowledge for all users
• +1 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core.

• Smithsonian National Museum of Natural HistorycoreStrategic or Co-development PartnerThe Smithsonian National Museum of Natural History serves as the institutional host for EOL, providing organizational infrastructure, funding support, and institutional credibility. This is the primary institutional partnership enabling EOL's operations as a public good.
• WikipediacoreTechnology or IntegrationWikipedia content (specifically Wikipedia EN resource with 452,624 nodes) is harvested and integrated into EOL species pages, providing encyclopedic text content alongside scientific data and media.
• Global Biodiversity Information Facility (GBIF)coreTechnology or IntegrationGBIF occurrence data is integrated into EOL, providing geographic distribution information and specimen records for species pages. GBIF supports species occurrence visualization on EOL.
• Content Provider Network (1,000+ partners)coreTechnology or IntegrationEOL aggregates content from over 1,000 institutional partners including museums, universities, scientific societies, and citizen science projects. Partners contribute species text, images, videos, and data through standardized data exchange protocols.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Global Biodiversity Information Facility (GBIF): GBIF is an intergovernmental network providing open access to biodiversity data via occurrence records. It is also an EOL data partner, making it a direct comparable for aggregated, open-access biodiversity knowledge platforms aimed at researchers.
• iNaturalist: iNaturalist is a citizen-science platform for recording and identifying species observations. As both a data/imagery provider to EOL and an alternative destination for biodiversity engagement, it is a direct peer in the species-data aggregation space.
• Catalogue of Life: Catalogue of Life is an authoritative global index of accepted species names. It targets the same taxonomic reference use case as EOL, making it a direct peer for research-grade species enumeration.
• Biodiversity Heritage Library: BHL digitizes biodiversity literature and makes it freely available. As a mission-aligned open biodiversity library that aggregates content from multiple institutions, it is a direct peer to EOL's encyclopedic approach.
• iDigBio: iDigBio provides open access to digitized natural-history specimen records from US institutions. It overlaps EOL in serving researchers needing structured biodiversity data, making it a direct peer in research-grade biodiversity informatics.
• Integrated Taxonomic Information System (ITIS): ITIS is a US-government partnership providing authoritative taxonomic information. It directly overlaps EOL's species-naming and taxonomic reference function, addressing the same researcher and policy-maker needs.
• OBIS (Ocean Biodiversity Information System): OBIS is a global open-access database on marine species distribution. While narrower in taxonomic coverage (marine only), it serves the same biodiversity-data-for-research use case as EOL.
• Plazi: Plazi hosts taxonomic literature and treatments as open data, often integrated by EOL. It is a direct peer in open biodiversity informatics and a non-profit operator of similar style.
• Wikispecies: Wikispecies is a Wikimedia-supported open directory of species. As a free, community-edited taxonomic resource, it directly overlaps EOL's encyclopedia-style offering.

Regional players

• Atlas of Living Australia (ALA): ALA aggregates Australian biodiversity data from museums, herbaria, and citizen scientists. It is a regional peer — geographically focused but operating the same open-access aggregated biodiversity platform model as EOL.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/eol
• Facebookfacebook.com/encyclopediaoflife
• LinkedInlinkedin.com/company/encyclopedia-of-life

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Encyclopedia of Life