Biodiversity Heritage Library
The Biodiversity Heritage Library provides free & #OpenAccess to 63+ million pages of #biodiversity literature online. 🔗 biodiversitylibrary.org
- 🐍 #NationalSerpentDay is dedicated to snake appreciation, understanding their role in ecosystems, and helping to overcome fear or misconceptions about them, such as this one... This #myth was likely based on #oarfish sightings. Learn more: blog.biodiversitylibrary.org/2014/10/the-... #ILoveBHL 📖 🧪
- 🦓 The Quagga is an extinct subspecies of Plains Zebra. 🎨 #SciArt by A. Gabler, from Johann Wolf's "Abbildungen und Beschreibungen merkwürdiger naturgeschichtlicher Gegenstände" (1818-22), in #BHLib via #FieldMuseum. www.biodiversitylibrary.org/page/48425779 #InternationalZebraDay #WorldZebraDay 🧪
- Deborah Griscom Passmore (1840-1911) was an artist for the USDA Division of Pomology for 19 yrs. This oxeye daisy (Leucanthemum vulgare) is from her album of American wildflowers, in #BHLib via usdagov.bsky.social: www.biodiversitylibrary.org/page/58157899 #DaisyDay #HerNaturalHistory #SciArt 🌼 🧪 🎨
- Reposted by Biodiversity Heritage LibraryBlue lobster from Johann Friedrich Wilhelm Herbst’s ‘Versuch Einer Naturgeschichte Der Krabben und Krebse Nebst Eiener Systematischen Beschreibung Ihrer Verschiedenen Arten.’ Zürich: Berlin: J.C. Fuessley; G.A. Lange, 1782. University of Chicago Special Collections. #sciart #naturalhistory
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- BHL holds 63 million pages of biodiversity knowledge. Among them are all kinds of marvels, including "Marvels of the Universe", a lavishly illustrated early 20th-century celebration of astronomy, plants, animals, and the oceans. Explore it on BHL: www.biodiversitylibrary.org/bibliography... 🧪
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- BHL's new chapter has begun! 🌱 Our latest #BHLTransition Update shares where BHL is now: stable, fully operational, and nearing completion of its transition. BHL has retained its people, its expertise, and its ability to operate effectively. 🔗 blog.biodiversitylibrary.org/2026/01/tran... #ILoveBHL
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- 💚 Thanks to our global BHL community, we reached our USD 50,000 #GiveBHLWings goal by 1 Jan 2026! These funds support BHL’s transition, staff, and infrastructure, keeping biodiversity knowledge open worldwide. Special thanks to our recurring donors. More updates soon. 🌍 📖 🧪 #BHLTransition
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- 🌍 The #GiveBHLWings campaign is on the brink of reaching its USD 50,000 goal, just hours before the Biodiversity Heritage Library transitions to independence on 1 Jan 26. If BHL matters to you, please help us soar over the line. 💚 🧪 ancrywkv.donorsupport.co/page/GiveBHL... #BHLTransition #ILoveBHL
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- ⏳ Only days left in 2025! 🌿 BHL becomes independent on 1 Jan 2026. Help #GiveBHLWings and keep biodiversity knowledge open for future generations. 🧪 📖 🌏 💸 🌍 Donate to make a difference: ancrywkv.donorsupport.co/page/GiveBHL... #ILoveBHL
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- This is the most festive fish we could find to wish you a very merry #Fishmas from all of us at BHL. 🐟✨ Meet the Lena-Girawah, a spectacular parrotfish from Ceylon described in 1834 as “the most splendid of the class of fishes denominated Parrot”. www.biodiversitylibrary.org/page/38892308 #SciArt 🧪
- Looking for a last-minute festive gift? 🎁 🌱 A donation to BHL on someone’s behalf supports open, global access to biodiversity knowledge — a gift that lasts far beyond the festive season. Give a gift with impact: 💚 ancrywkv.donorsupport.co/page/GiveBHL... #GiveBHLWings #Fishmas #FestiveSeason 🧪
- 🌍 USD 40,000 raised — 400+ donations from 35 countries! 🌏 With just 10 days until BHL transitions to independence on 1 Jan 2026, our goal is USD 50,000. 🌱 Help #GiveBHLWings and keep biodiversity knowledge open & accessible worldwide. 💚 ancrywkv.donorsupport.co/page/GiveBHL... #BHLTransition 🧪
- Reposted by Biodiversity Heritage LibraryBuilt a 2.5MB image classifier that runs in the browser in an evening with Claude Code. I used a dataset I labelled in 2022 and left on @hf.co for 3 years 😬. It finds illustrated pages in historical books. No server. No GPU.
- BHL is growing! We’re thrilled to welcome University of South Florida Libraries @usflibraries.bsky.social: the 1st of the new BHL Members joining us during our transition to independence. blog.biodiversitylibrary.org/2025/12/anno... More support news coming soon! #BHLTransition #GiveBHLWings 🧪 📖 🌏
- A festive-season feast of crabs 🦀 This spectacular spread comes from Albertus Seba’s Cabinet of Curiosities, Locupletissimi rerum naturalium thesauri (1734–1765). Consider this our contribution to #Crustmas ✨ #SciArt #NaturalHistory #ILoveBHL www.biodiversitylibrary.org/page/41072182 🧪
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- Spix's night monkey (Aotus vociferans) is native to Brazil, Colombia, Ecuador & Peru. #SciArt by Dutch artist John Gerard Keulemans from "The Proceedings of the Zoological Society of London" (1872) via @nhmlibraryarchives.bsky.social www.biodiversitylibrary.org/page/28611367 #NationalMonkeyDay
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- It's a poisonous #FloraFriday + #FungiFriday! ☠️ 🍄🌼 A table of vegetable poisons" (1843) describes the characteristics, locales, and effects of poisonous plants & mushrooms found throughout the world. Find it in #BHLib via @@mobotgarden.bsky.social : www.biodiversitylibrary.org/page/45450678 🧪
- 🌍 Almost USD 35,000 raised — from supporters in 35 countries! 🌏 Your global support is helping #GiveBHLWings as BHL prepares for independence on 1 Jan 2026. #BHLTransition 🌱 📖 Let’s keep biodiversity knowledge open & accessible worldwide. 💚 Donate: ancrywkv.donorsupport.co/page/GiveBHL... 🧪
- 🕊️ The countdown continues! There’s still time to help #GiveBHLWings before BHL becomes independent on 1 January 2026. Your support keeps this global library flying high into the future. #ILoveBHL #BHLTransition 🧪 📖 🌏 🐟 💸 💚 Donate: ancrywkv.donorsupport.co/page/GiveBHL...
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- 💚 Thank you for helping us #GiveBHLWings! Your support this #GivingTuesday brings BHL closer to independence on 1 Jan 2026 and keeps the world’s biodiversity knowledge open for all. #ILoveBHL #BHLTransition 🧪 📖 🌏 🐟 💸 ancrywkv.donorsupport.co/page/GiveBHL...
- Happy #WorldCoatiDay! This coati is from "Dictionnaire pittoresque d'histoire naturelle et des phénomènes de la nature" (1833-1840), digitised for BHL by @nhm-london.bsky.social. www.biodiversitylibrary.org/page/35962483 🧪 📖 🌎 #Coatimundi #ILoveBHL
- 🌿 It’s #GivingTuesday! Help the Biodiversity Heritage Library take flight as we count down to independence on 1 Jan 2026. Your gift helps #GiveBHLWings – keeping 500 years of biodiversity knowledge open & accessible worldwide. #ILoveBHL 🧪 📖 🌏 💚 Donate now:
- On 1 January 2026, the Biodiversity Heritage Library will take flight, becoming fully independent after nearly two decades hosted by the Smithsonian Institution. Learn more on the #BHLBlog: blog.biodiversitylibrary.org/2025/12/give... #GiveBHLWings #BHLTransition #GivingTuesday
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- 💚 Just 2 days to go until #GivingTuesday! 🌿 BHL must transition to independence by 1 January 2026 – your gift can help #GiveBHLWings and keep biodiversity knowledge open and free. 🧪 📖 🌏 🐟 #BHLTransition #ILoveBHL #OpenAccess 🔗 ancrywkv.donorsupport.co/page/GiveBHL...
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- #InternationalJaguarDay is celebrated annually on November 29 to raise awareness about jaguar conservation. In 1758, Carl Linnaeus described the jaguar in his Systema Naturae. He gave it the scientific name Felis onca: www.biodiversitylibrary.org/page/726937 #SaveTheJaguar #Jaguar2030 #IloveBHL 🧪 🌎
- It's #WorldTamanduaDay! Tamandua is a genus of anteaters. This northern tamandua (Tamandua mexicana) is from "Manual para el rastreo de mamíferos silvestres de México" (2012) by J.M.A. Sánchez, in #BHLib via #BHLMexico & #Conabio www.biodiversitylibrary.org/page/49770915 #SciArt #OpenAccess 🧪 🌎 📖
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- Carnivorous plants obtain nutrients from animals or protozoans, which they trap & digest. This #SciArt of "insektenfressnde pflanzen" (insectivorous plants) is from "Meyers Konversations-Lexikon" (1890). Contributed to #BHLib by @uoftlibraries.bsky.social: www.biodiversitylibrary.org/page/55161008 🧪
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- 🐠 Help #GiveBHLWings. After nearly two decades under the Smithsonian, BHL must become independent by 1 Jan. Your donation helps us take flight and keep 500 years of biodiversity knowledge accessible. 🧪 📖 #GivingTuesday #ILoveBHL #BHLTransition 💚 Give today: ancrywkv.donorsupport.co/page/GiveBHL...
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- Narwhals (Monodon monoceros) are called the unicorn of the sea — for obvious reasons. This illustration by Louis A. Sargent comes from "The wild beasts of the world", v. 2 (1909), contributed to BHL by @uoftlibraries.bsky.social: www.biodiversitylibrary.org/page/19657038 #SciArt #ILoveBHL 🧪 📖 🌊
- Happy #WorldAnteaterDay! This Giant Anteater (Myrmecophaga tridactyla) #SciArt is by Édouard Traviès for Charles Dessalines d'Orbigny, Dictionnaire d'Histoire Naturelle (1849). Contributed to BHL by @ncsulibraries.bsky.social: www.biodiversitylibrary.org/page/19538021 🧪 📖 🌎 🐜 #ILoveBHL
- 🌿 #GivingTuesday is coming! 💚 On 2 Dec, help us #GiveBHLWings and support the Biodiversity Heritage Library’s transition to independence by 1 January 2026. Your gift keeps biodiversity knowledge accessible for all. 🧪 📖 🌏 💸 #OpenScience #BHLTransition #ILoveBHL
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- This beautiful Fairy Shrimp #SciArt is by Christine Etiennette Pernette Jurine for "Histoire des monocles qui se trouvent aux environs de Genève" (1820), authored by her father Louis Jurine. Contributed to BHL by Ernst Mayr Library Harvard www.biodiversitylibrary.org/page/10664230 #HerNaturalHistory
- BHL is experiencing intermittent technical issues that are affecting PDF generation. Thank you for your patience! @archive.org Image: biodiversitylibrary.org/page/14994771
- Mary Cynthia Dickerson was the 1st curator of herpetology at @amnh.org. She authored "The Frog Book" (1906), describing North American toads & frogs. Explore it in #BHLib thanks to the @uoftlibraries.bsky.social Robarts Library: www.biodiversitylibrary.org/page/31830673 #HerNaturalHistory #HERpers 🐸
- November is #ManateeAwarenessMonth! This beautiful Manatee #SciArt is from Biologia Centrali-Americana (1879-1882), illustrated by Josef Wolf. www.biodiversitylibrary.org/page/570882 #ILoveBHL #OpenAccess #SaveTheManatee #SeaCow 🧪 🌎 📖 🌱
- And this is why the global BHL community does what we do: so others can build on, use, and share 500+ years (63 million pages) of biodiversity knowledge & spectacular #SciArt. Over to you… 📖 🌏 🦆 🌱
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- All issues of Mycotaxon (1974–2024) are now digitised, #OpenAccess & discoverable in BHL! Thx to the work of Diane Rielinger & BHL’s Team #RetroPIDs, every article now has a DOI, connecting 50 years of #Mycology to today’s scholarly network. #Fungi 🍄 🧪 🔗 www.biodiversitylibrary.org/bibliography...
- BHL had a strong presence at #LivingData2025 + the #GBIF #GB32 Governing Board Meeting in Bogotá 🇨🇴. We shared our transition progress, rallied support & strengthened collaborations for linked open biodiversity data. 🧪 🌎 📚 🌱🔗 Read more: blog.biodiversitylibrary.org/2025/11/livi... #OpenScience
- Alfred Mayor's "Medusae of the world" (1910) attempted to describe all known forms from all parts of the world. The #SciArt is based on drawings, from life, by William K. Brooks and Louis Murbach. View it in #BHLib: www.biodiversitylibrary.org/bibliography... #WorldJellyfishDay #ILoveBHL
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- Meet the Numbat, Australia's only truly diurnal marsupial. This beautiful #SciArt is from John Gould's "Mammals of Australia" (1863): "with its beautiful tail spread out to the full extent, it offers a great resemblance to the Squirrels". doi.org/10.5962/p.31... #InternationalNumbatDay #ILoveBHL 🧪
- A heartfelt thank you to everyone who has donated to BHL’s Fundraising Campaign so far! 💚 Your generosity will help us build an independent, sustainable future for open biodiversity knowledge. 🌿 📖 🌏 🧪 Every gift helps: 🔗 ancrywkv.donorsupport.co/page/BHLDona... #ILoveBHL #OpenAccess
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- The Biodiversity Heritage Library doesn't just provide access to historic literature. There are publications on BHL from 1469 to 2025. The Canadian Field-Naturalist is one of many in-copyright publications we've made freely accessible online (with permission from the rights holders of course). 🧪 ©️ 📖
- #InternationalGibbonDay is dedicated to raising awareness of our overlooked, under-protected "lesser" apes. This Hainan gibbon #SciArt is from the Proceedings of the Zoological Society of London (1905). This species is now critically endangered. www.biodiversitylibrary.org/page/31887889 🧪 📖 🌱
- In celebration of #WorldKangarooDay 🦘, we present the first scientific description of "The Great Kanguroo, Macropus giganteus", from Shaw's The Naturalist's Miscellany (1790), which begins "the Kanguroo is a very anomalous and extraordinary quadruped". doi.org/10.5962/p.31... 🧪 📖 🌏 #ILoveBHL
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- So many of the projects shared at #LivingData2025 rely on the knowledge and data in BHL. BHL is truly the foundation of our understanding of biodiversity. Securing its future is essential. Donate now: ancrywkv.donorsupport.co/page/BHLDona... #ILoveBHL 🧪🌎🌱
