Two Birders Claimed a Key Record on the Same Day—and Feathers Flew

This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. In late 2023, 70-year-old birder Peter Kaestner was within striking distance of a goal that had never been accomplished: seeing more than 10,000 different species of birds in the wild. Such a record had previously been unthinkable, but with new technology […]