The Biodiversity Heritage Library (BHL) was created in 2006 with 10 founding partners. It has grown to include 20 member institutions and 4 affiliate organizations who contribute content from their biological literature collections. BHL makes over 44 million pages of literature openly available online. It has expanded globally and sees increasing mobile usage. BHL aims to digitize all literature related to natural history and make it freely accessible to accelerate biodiversity research and education worldwide.