Across the globe there are roughly 200 owl species. Oregon is home to 14, including some of the biggest and the smallest owls on Earth.
OK, that's not actually a bird whistling reveille. But when we invited people to send us sounds of nature, we heard sounds that were distinctive enough. [POST-BROADCAST CORRECTION: In the audio of ...
Owl calls are genetically encoded, not learned, explained Melo in an email to Gizmodo. The animals recognize each other, communicate, and find mates though their calls. If two birds speak different ...