A dozen years in the making, the world’s largest digitized natural sound archive is now online. Check it out here.
According to Cornell University's tumblr, the archive contains "nearly 150,000 digital audio recordings equaling more than 10 terabytes of data with a total run time of 7,513 hours. About 9,000 species are represented. There’s an emphasis on birds, but the collection also includes sounds of whales, elephants, frogs, primates and more."
I only hope it's all somehow backed up on vinyl, so that after the planet goes kerplooey the survivors' children can hear all the species that went extinct.