Every day, birders around the world record which species they see. Many of them contribute their sightings to the groundbreaking citizen science project called eBird, run out of the Cornell Lab of Ornithology in the US. One outcome from this collective activity is a worldwide record of which species have been reported in the same place at the same time – i.e. which species come into contact.
This citizen science has potential to really change the way we work at bird interactions.
Read about it here!