Which flightless bird became extinct in Mauritius due to human activities?

Dodo

Who did Abraham take as a second wife after Sarah's death? What sign identified the betrayer of Jesus in the Garden of Gethsemane? Which sea separates Saudi Arabia from Africa? In 'National Lampoon's Christmas Vacation', what's the name of Clark Griswold's cousin who visits unexpectedly? What holiday involves finding hidden eggs?