This is a fantastic resource for people interested in birds and birding in Spain. User generated recordings and images coupled with scientific data for almost all bird species present in Spain. Well worth a look!
Yes, I agree and have been a member for quite a while. Its part of the Cornell Lab of Ornithology network and project.
The Cornell Lab of Ornithology brings together the agility and impact of an on-the-ground nonprofit organization with world-class science and teaching as part of Cornell University’s College of Agriculture and Life Sciences. Our work spans disciplines from science to art, engineering to education. Our global community includes supporters, participants, and partners from all walks of life, united by a love of birds and nature and a commitment to help protect our planet.
Their latest newsletter shows some astounding data collected by ordinary people and analyzed into global population and migration patterns. The data on the blue rock thrush is new and fascinating. Take a look.