By Donna Ferguson – The Guardian
Some go there to read about the wood that Victorian manufacturers used to make walking sticks. Others want to see an illustration of a Tasmanian tiger or marvel at the field diary of one of the first known botanists to explore the Antarctic.
Over the past 20 years, more than 64m pages have been made freely available through the Biodiversity Heritage Library (BHL) – a digital treasure trove for fans of the natural world. More than 680 museums, universities, libraries and scientific institutions from China, Singapore, Australia and New Zealand to Europe, Africa, Mexico, Canada and the US, have contributed to the library.