New research has found that the 6 gram brown thornbill mimics the hawk alarm calls of neighboring species to scare a nest predator by convincing it that a much bigger and scarier predator -- the brown ...

DEAR JOAN: I thought we might have had a red-shouldered hawk nest in the area, when I saw one with a vole in his beak about a month ago. For the past seven days, however, a young hawk has been crying ...