Starting in May, eBird hit a big milestone: 11.8 million bird sightings in that month alone – the same amount of sightings the citizen science database collected in the first five years it existed. Participation in recent years had shot up enough to make that sort of number, and these sorts of maps, possible. Then, on June 17th, the 333,333,333th checklist was submitted to eBird from a participant in Illinois. A third of a billion records submitted by just over three-hundred thousand different people around the world since the Cornell Lab of Ornithology and Audubon partnered to make it possible for people to easily digitize their bird sighting checklists – that amounts to an average of a thousand-and-fifty checklists per eBirder!

At the end of last month, eBird saw another big number, with a million bird photos archived in the Cornell Lab’s Macaulay Library through the new tool allowing users to attach images to their checklists. And this week, the app Merlin got downloaded by its millionth user since it was launched for iPhones in January 2014 (and a bit later on Android phones). But eBird, Merlin, and the Macaulay Library aren’t the only ones reaching milestones this summer. Continue reading →