An unidentified substance has killed or injured hundreds of birds so far.
Tag: native plants
Migratory monarch butterfly populations have fallen into a tailspin in recent years. Scientists fear that in a classic case of good intentions gone awry, efforts to help the beleaguered butterflies may be inadvertently making matters worse by changing their behavior.
After more than 150 years on the California landscape, eucalyptus trees have iconic status for some Californians. But the stately trees may not only disrupt the native ecology, but seem to have evolved special adaptations that allow them to thrive after intense fires.