At least 9 million people in the nation's upper Midwest region are under red flag warnings on Monday. Released ...

Juvenile male zebra finches normally learn to sing by memorizing the song of an older male, and then using auditory feedback to gradually match their own vocalizations to this 'internal model'.

Hunting with their longer spears, male zebra mantis shrimp provide virtually all of the food while the female puts her efforts into raising their eggs. However, the arrangement is not fool proof ...