Part of the Cornell Lab of Ornithology, the Library’s archive defines itself as ‘the world’s largest and oldest scientific archive of biodiversity audio and video recordings.' With recordings going back to the 1920s, exaxcting details are provided for the hundreds of thousands of items, both audio and video, though not all have been digitised yet. Encoding levels are generally high.
Its vast array of holdings are complimented by helpful guide on academic citation of their AV records as well as details on how to add content to the library.